/usr/TeX/2005/texmf-dist/doc/latex/subfigure/ltxdoc.cfg
/usr/TeX/2005/texmf-dist/tex/latex/subfig/ltxdoc.cfg
/usr/TeX/2005/texmf-dist/source/latex/captcont/ltxdoc.cfg
The ones in doc and source don't affect anything. I'll reinstall subfig
at some point and leave out the ltxdoc.cfg. Thanks for mentioning it.