Extend your language: Difference between revisions

As another example of language extension, see [[Anonymous recursion#PicoLisp]].

 

 

TeX is a macro language, so this is just a matter of defining a macro or macros. The following is a simple definition.

 

{\if#1#2\if#3#4#5\else#6\fi\else\if#3#4#7\else#8\fi\fi}