I've got comment characters defined like this for tacl-mode
(modify-syntax-entry ?\~ / st) ; ~ gets Escape syntax
(modify-syntax-entry ?\{ st) ; comment start {
(modify-syntax-entry ?\} st) ; comment end }
(modify-syntax-entry ?\= _ b12 st) ; comment start ==
(modify-syntax-entry ?\= _ b12 st) ; comment start ==
Yes, it seems the problem is that your 2-char comment sequence is made of
symbol-chars, so there are cases where the code does things like oh, here's
a symbol, let's skip it without checking whether some of the chars that
compose the
