-the syntax of C, Objective C, C++, Java, Fortran, Ada, Cobol, Erlang,
-LaTeX, Emacs Lisp/Common Lisp, makefiles, Pascal, Perl, PHP, Postscript,
+the syntax of C, Objective C, C++, Java, Fortran, Ada, Cobol, Erlang, HTML,
+LaTeX, Emacs Lisp/Common Lisp, Lua, makefile, Pascal, Perl, PHP, Postscript,