I am editing a .cls file in order to customize the output of a particular document. However, I am occasionally coming up against errors. Is it possible to check that my .cls file is valid (i.e. no hanging "{")? Is there a decent way to debug edits to a .cls file?
If possible, please suggest some open source tools available for Windows.
syntonly.sty is useful for typesetting your file faster and checking if it has syntax errors.
\RequirePackage{syntonly}
\syntaxonly
Use an editor with proper syntax highlighting and parenthesis matching!
If all else fails, follow the advice here: https://texfaq.org/FAQ-erroradvice.
Quoting TeX itself: Pretend that you're Hercule Poirot: Examine all clues.
