initial references support.

run "make headers"

44 files changed, 789 insertions, 650 deletions

diff --git a/src/argv.c b/src/argv.c
index 4485853..68d83d9 100644
--- a/src/argv.c
+++ b/src/argv.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/argv.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/argv.h b/src/argv.h
index 6527d50..d7675db 100644
--- a/src/argv.h
+++ b/src/argv.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/argv.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/build.h b/src/build.h
index c44f6f4..fe825ba 100644
--- a/src/build.h
+++ b/src/build.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/build.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,27 +15,27 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
 #ifndef BUILD_H
 #define BUILD_H
 
-#define BUILDNR 9300
+#define BUILDNR 9314
 #define OS_FREEBSD
 
 #endif
diff --git a/src/core/convert.c b/src/core/convert.c
index c909cf0..971fe2e 100644
--- a/src/core/convert.c
+++ b/src/core/convert.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/convert.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/convert.h b/src/core/convert.h
index 1c841b7..5a80159 100644
--- a/src/core/convert.h
+++ b/src/core/convert.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/convert.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/function.c b/src/core/function.c
index 8541960..0c80e0a 100644
--- a/src/core/function.c
+++ b/src/core/function.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/function.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/function.h b/src/core/function.h
index 7d8b251..9b232df 100644
--- a/src/core/function.h
+++ b/src/core/function.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/function.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/garbage.c b/src/core/garbage.c
index b7a43aa..f1e6bba 100644
--- a/src/core/garbage.c
+++ b/src/core/garbage.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/garbage.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/garbage.h b/src/core/garbage.h
index 65f2238..31ca467 100644
--- a/src/core/garbage.h
+++ b/src/core/garbage.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/garbage.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/interpret.c b/src/core/interpret.c
index dea808c..3d2524a 100644
--- a/src/core/interpret.c
+++ b/src/core/interpret.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/interpret.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
@@ -54,27 +54,27 @@
 #define _NEXT_TT _next_tt(p_interpret)
 #define _SKIP _next(p_interpret);
 
-void _print_lookahead(Interpret *p_interpret);
-int _next(Interpret *p_interpret);
-int _program(Interpret *p_interpret);
-int _var_decl(Interpret *p_interpret);
-int _var_assign(Interpret *p_interpret);
-int _var_list(Interpret *p_interpret);
-int _expression_get(Interpret *p_interpret, List *p_list_block);
+int _block(Interpret *p_interpret);
 int _block_get(Interpret *p_interpret, List *p_list_block);
 int _block_skip(Interpret *p_interpret);
-int _proc_decl(Interpret *p_interpret);
-int _func_decl(Interpret *p_interpret);
-int _statement(Interpret *p_interpret);
-int _block(Interpret *p_interpret);
+int _compare(Interpret *p_interpret);
+int _control(Interpret *p_interpret);
 int _expression(Interpret *p_interpret);
 int _expression_(Interpret *p_interpret);
-int _control(Interpret *p_interpret);
-int _compare(Interpret *p_interpret);
-int _sum(Interpret *p_interpret);
+int _expression_get(Interpret *p_interpret, List *p_list_block);
+int _func_decl(Interpret *p_interpret);
+int _next(Interpret *p_interpret);
+int _proc_decl(Interpret *p_interpret);
 int _product(Interpret *p_interpret);
 int _product2(Interpret *p_interpret);
+int _program(Interpret *p_interpret);
+int _statement(Interpret *p_interpret);
+int _sum(Interpret *p_interpret);
 int _term(Interpret *p_interpret);
+int _var_assign(Interpret *p_interpret);
+int _var_decl(Interpret *p_interpret);
+int _var_list(Interpret *p_interpret);
+void _print_lookahead(Interpret *p_interpret);
 
 Interpret*
 interpret_new(List *p_list_token, Hash *p_hash_syms) {
@@ -175,7 +175,6 @@ _var_decl(Interpret *p_interpret) {
    _CHECK TRACK
 
    switch (p_interpret->tt) {
-      //case TT_ARR: //TODO cleanup TT_ARR
    case TT_MY:
    {
       if (_NEXT_TT != TT_IDENT)
@@ -949,6 +948,34 @@ _term(Interpret *p_interpret) {
    }
    break;
 
+   /* Reference operator */
+   case TT_AAND:
+   {
+      _NEXT
+      if (p_interpret->tt != TT_IDENT)
+         _INTERPRET_ERROR("Expexted identifier for '&'",
+                          p_interpret->p_token);
+      _INTERPRET_ERROR("nyi", p_interpret->p_token);
+
+      _NEXT;
+      return (1);
+   }
+   break;
+
+   /* Dereference opeator */
+   case TT_MULT:
+   {
+      _NEXT
+      if (p_interpret->tt != TT_IDENT)
+         _INTERPRET_ERROR("Expexted identifier for '*'",
+                          p_interpret->p_token);
+
+      _INTERPRET_ERROR("nyi", p_interpret->p_token);
+      _NEXT;
+      return (1);
+   }
+   break;
+
    /*
    case TT_PARANT_AL:
    {
diff --git a/src/core/interpret.h b/src/core/interpret.h
index cea9ec8..9168883 100644
--- a/src/core/interpret.h
+++ b/src/core/interpret.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/interpret.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/reference.c b/src/core/reference.c
new file mode 100644
index 0000000..2c97c6a
--- /dev/null
+++ b/src/core/reference.c
@@ -0,0 +1,55 @@
+/*:*
+ *: File: ./src/core/reference.c
+ *: A simple interpreter
+ *: 
+ *: WWW		: http://fype.buetow.org
+ *: E-Mail	: fype@dev.buetow.org
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
+ *: All rights reserved.
+ *: 
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
+ *:    without specific prior written permission.
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#include "reference.h"
+
+Reference*
+reference_new(Symbol *p_symbol) {
+   Reference *p_reference = malloc(sizeof(Reference));
+
+   p_reference->p_symbol = p_symbol;
+
+   return (p_reference);
+}
+
+void
+reference_delete_cb(void *p_void) {
+   reference_delete(p_void);
+}
+
+void
+reference_delete(Reference *p_reference) {
+   symbol_delete(p_reference->p_symbol);
+   free(p_reference);
+}
diff --git a/src/core/reference.h b/src/core/reference.h
new file mode 100644
index 0000000..dd682bd
--- /dev/null
+++ b/src/core/reference.h
@@ -0,0 +1,49 @@
+/*:*
+ *: File: ./src/core/reference.h
+ *: A simple interpreter
+ *: 
+ *: WWW		: http://fype.buetow.org
+ *: E-Mail	: fype@dev.buetow.org
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
+ *: All rights reserved.
+ *: 
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
+ *:    without specific prior written permission.
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#ifndef REFERENCE_H
+#define REFERENCE_H
+
+#include "../defines.h"
+#include "symbol.h"
+
+typedef struct {
+   Symbol *p_symbol;
+} Reference;
+
+Reference* reference_new(Symbol *p_symbol);
+void reference_delete_cb(void *p_void);
+void reference_delete(Reference *p_reference);
+
+#endif /* REFERENCE_H */
diff --git a/src/core/scanner.c b/src/core/scanner.c
index dad154f..3607c0f 100644
--- a/src/core/scanner.c
+++ b/src/core/scanner.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/scanner.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/scanner.h b/src/core/scanner.h
index b986964..c1ca7d8 100644
--- a/src/core/scanner.h
+++ b/src/core/scanner.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/scanner.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/scope.c b/src/core/scope.c
index 8c3d4bf..180d22e 100644
--- a/src/core/scope.c
+++ b/src/core/scope.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/scope.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/scope.h b/src/core/scope.h
index 4954344..48eda06 100644
--- a/src/core/scope.h
+++ b/src/core/scope.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/scope.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/core/symbol.c b/src/core/symbol.c
index ef5957b..fca9ea2 100644
--- a/src/core/symbol.c
+++ b/src/core/symbol.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/symbol.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
@@ -81,6 +81,8 @@ symbol_print(Symbol *p_symbol, char *c_key) {
    case SYM_FUNCTION:
       //list_iterate(symbol_get_val(p_symbol), token_print_cb);
       break;
+   case SYM_REFERENCE:
+      break;
    case SYM_VARIABLE:
       printf(" ");
       token_print(symbol_get_val(p_symbol));
@@ -100,6 +102,8 @@ sym_get_name(SymbolType sym) {
    switch (sym) {
    case SYM_CONSTANT:
       return ("SYM_CONSTANT");
+   case SYM_REFERENCE:
+      return ("SYM_REFERENCE");
    case SYM_VARIABLE:
       return ("SYM_VARIABLE");
    case SYM_BUILDIN:
diff --git a/src/core/symbol.h b/src/core/symbol.h
index e0f8337..b152f45 100644
--- a/src/core/symbol.h
+++ b/src/core/symbol.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/symbol.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
@@ -46,11 +46,12 @@
 #define IS_NOT_A_FUNCTION(s) !IS_A_FUNCTION(s)
 
 typedef enum {
-   SYM_CONSTANT,
-   SYM_VARIABLE,
    SYM_BUILDIN,
-   SYM_PROCEDURE,
+   SYM_CONSTANT,
    SYM_FUNCTION,
+   SYM_PROCEDURE,
+   SYM_REFERENCE,
+   SYM_VARIABLE,
 } SymbolType;
 
 typedef struct {
diff --git a/src/core/token.c b/src/core/token.c
index 71d9551..e735995 100644
--- a/src/core/token.c
+++ b/src/core/token.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/token.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
@@ -81,6 +81,7 @@ get_tt(char *c_token) {
    CHECK("<<") TT_LSHIFT;
    CHECK(">>") TT_RSHIFT;
    CHECK("and") TT_AND;
+   CHECK("&") TT_AAND;
    CHECK("or") TT_OR;
    CHECK("xor") TT_XOR;
    CHECK("=") TT_ASSIGN;
@@ -163,6 +164,7 @@ tt_get_name(TokenType tt_cur) {
       CASE(TT_LSHIFT,"TT_LSHIFT")
       CASE(TT_RSHIFT,"TT_RSHIFT")
       CASE(TT_AND,"TT_AND")
+      CASE(TT_AAND,"TT_AAND")
       CASE(TT_OR,"TT_OR")
       CASE(TT_XOR,"TT_XOR")
       CASE(TT_NOT,"TT_NOT")
diff --git a/src/core/token.h b/src/core/token.h
index 9d1a560..38af53f 100644
--- a/src/core/token.h
+++ b/src/core/token.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/core/token.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
@@ -126,6 +126,7 @@ typedef enum {
    START_OPERATORS,
    TT_ADD,
    TT_AND,
+   TT_AAND,
    TT_ASSIGN,
    TT_COMMA,
    TT_DDOT,
diff --git a/src/data/array.c b/src/data/array.c
index 5ed61c3..93b3375 100644
--- a/src/data/array.c
+++ b/src/data/array.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/array.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/array.h b/src/data/array.h
index c6ac81f..4abb4ef 100644
--- a/src/data/array.h
+++ b/src/data/array.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/array.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/dat.c b/src/data/dat.c
index f06680e..ab30241 100644
--- a/src/data/dat.c
+++ b/src/data/dat.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/dat.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/dat.h b/src/data/dat.h
index 4b80568..849306d 100644
--- a/src/data/dat.h
+++ b/src/data/dat.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/dat.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/hash.c b/src/data/hash.c
index 53a1b50..e380ad4 100644
--- a/src/data/hash.c
+++ b/src/data/hash.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/hash.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/hash.h b/src/data/hash.h
index 9ee8640..73aa0c0 100644
--- a/src/data/hash.h
+++ b/src/data/hash.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/hash.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/list.c b/src/data/list.c
index ab85edb..3b7f1ff 100644
--- a/src/data/list.c
+++ b/src/data/list.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/list.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/list.h b/src/data/list.h
index f66537f..2654653 100644
--- a/src/data/list.h
+++ b/src/data/list.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/list.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/map.c b/src/data/map.c
index 4542d88..11629f1 100644
--- a/src/data/map.c
+++ b/src/data/map.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/map.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/map.h b/src/data/map.h
index d706311..c5c58b5 100644
--- a/src/data/map.h
+++ b/src/data/map.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/map.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/queue.c b/src/data/queue.c
index ee57bb4..c1b897a 100644
--- a/src/data/queue.c
+++ b/src/data/queue.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/queue.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/queue.h b/src/data/queue.h
index d4e9d7a..bc9d22c 100644
--- a/src/data/queue.h
+++ b/src/data/queue.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/queue.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/stack.c b/src/data/stack.c
index e7d5766..bdbc3cc 100644
--- a/src/data/stack.c
+++ b/src/data/stack.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/stack.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/stack.h b/src/data/stack.h
index 45acdf8..9b766bd 100644
--- a/src/data/stack.h
+++ b/src/data/stack.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/stack.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/tree.c b/src/data/tree.c
index 4992a2d..b98b34f 100644
--- a/src/data/tree.c
+++ b/src/data/tree.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/tree.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/tree.h b/src/data/tree.h
index 9bdb3fa..6356b1f 100644
--- a/src/data/tree.h
+++ b/src/data/tree.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/tree.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/tupel.c b/src/data/tupel.c
index 476e108..2dd4863 100644
--- a/src/data/tupel.c
+++ b/src/data/tupel.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/tupel.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/tupel.h b/src/data/tupel.h
index 71be0d4..8162e63 100644
--- a/src/data/tupel.h
+++ b/src/data/tupel.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/tupel.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/data/types.h b/src/data/types.h
index 5283b2d..f9f20cd 100644
--- a/src/data/types.h
+++ b/src/data/types.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/data/types.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/defines.h b/src/defines.h
index 90ed947..10e9ccc 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/defines.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
@@ -78,7 +78,7 @@
 //#define DEBUG_GC
 //#define DEBUG_TOKEN_REFCOUNT
 //#define DEBUG_FUNCTION_PROCESS
-//#define DEBUG_TRACK
+#define DEBUG_TRACK
 //#define DEBUG_BLOCK_GET
 //#define DEBUG_EXPRESSION_GET
 
diff --git a/src/fype.c b/src/fype.c
index 5bb0aff..159cf5c 100644
--- a/src/fype.c
+++ b/src/fype.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/fype.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/fype.h b/src/fype.h
index 4be0076..8eef520 100644
--- a/src/fype.h
+++ b/src/fype.h
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/fype.h
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/
 
diff --git a/src/main.c b/src/main.c
index 0fb11b6..9bf1ed7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,13 +1,13 @@
 /*:*
  *: File: ./src/main.c
  *: A simple interpreter
- *:
+ *: 
  *: WWW		: http://fype.buetow.org
  *: E-Mail	: fype@dev.buetow.org
- *:
- *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
+ *: 
+ *: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow 
  *: All rights reserved.
- *:
+ *: 
  *: Redistribution and use in source and binary forms, with or without modi-
  *: fication, are permitted provided that the following conditions are met:
  *:  * Redistributions of source code must retain the above copyright
@@ -15,20 +15,20 @@
  *:  * Redistributions in binary form must reproduce the above copyright
  *:    notice, this list of conditions and the following disclaimer in the
  *:    documentation and/or other materials provided with the distribution.
- *:  * Neither the name of P. B. Labs nor the names of its contributors may
- *:    be used to endorse or promote products derived from this software
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
  *:    without specific prior written permission.
- *:
- *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR
- *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY Paul Buetow AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT,
- *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: DISCLAIMED. IN NO EVENT SHALL Paul Buetow BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  *: POSSIBILITY OF SUCH DAMAGE.
  *:*/