Update ISHelpGen.dpr
Update UIsxclassesParser.pas
Create isxclasses.footer
Update isxclasses.footer
Update isetup.xml
Update isxfunc.xml
Update ISHelpGen.dpr

I guess that completes my patch.
Update UIsxclassesParser.pas

Indeed, I forgot to update the interface section. :-P
Update isxclasses.footer

Replaced the not allowed <seealso>.
Update isxfunc.xml

Fix typo
Update isetup.xml

Fix 3 missing custom messages from latests .isl files
Update isx.xml

Fix some missing colon punctuation marks after "See also"
Merge remote-tracking branch 'jogo-/patch-2'
Updated for merge.