> In some programming languages, e.g. TeX, Forth, PostScript, etc you cannot really syntax highlight the program without executing it. Technically true. In pr

> In some programming languages, e.g. TeX, Forth, PostScript, etc you cannot really syntax highlight the program without executing it. Technically true. In practice, however, I've run into way more issues with syntax highlighters in overly-complex fixed languages than I have with simpler-but-programmable languages.