Re: [Emacs-diffs] master bc2a93d: Fix more regular expression typos

[Stefan Monnier <monnier@iro.umontreal.ca>]

>>>             (progn
>>> -              (skip-chars-forward "^ \t\n\\")
>>> +              (skip-chars-forward "^ \t\n")
>>>               (when (eq (char-after) ?\\)
>>>                 (forward-char 1)
>>>                 (unless (eolp)
>> 
>> Hmm... no this needs to be 
[...]
> Are you sure? Trailing backslashes in skip-sets have no effect, and
> semantically the backslash cannot reasonably be included because of the
> condition that follows.

Notice it's a negated skip, so with (skip-chars-forward "^ \t\n") we'll
happily skip over a backslash, and hence the subsequent (eq (char-after) ?\\)
can never be true.

The skip+when do the equivalent of a regexp "[^ \t\n\\]\\|\\\\.".


        Stefan