Bad token for lua builtins

Issue #323 resolved
Pierre Bourdon
created an issue

Lua builtins are associed with the Name.Function token, whereas PHP, Vim or Common Lisp builtins uses the Name.Builtin token to make a difference between user defined functions and builtins.

Bug is present in Pygments 1.0 (the Name.Builtin token is not used in Pygments 0.9).