In the GeShi Syntax Highlight extension, update Pygments to latest master. This adds a number of -previously- missing lexers.
I especially need the lexer for TypoScript, which has been added in https://bitbucket.org/birkenfeld/pygments-main/commits/d4772a6fbbed4e6395258d9908d73071c9231126.
(Ori asked for this issue.)