Re: [AUCTeX-devel] change: documents with $$ to \begin{documents}

[David Kastrup]

Uwe Brauer <address@hidden> writes:

>>> "David" == David Kastrup <address@hidden> writes:
>
>    > Uwe Brauer <address@hidden> writes:
>    >> Hi[1]
>    >> 
>    >> Sometimes I receive documents with have basically only 
>    >> $$
>    >> \int f =0
>    >> $$
>    >> constructions instead of say 
>    >> \begin{displaymath} or {equation*} etc.
>    >> 
>    >> Anybody has a idea how to change the evil $$ to true latex constructs by
>    >> using sophisticated regexp?
>
>    > Not all that sophisticated.
>
>    > M-% \$\$\(.*?\)\$\$ RET \\begin{equation*}\1\\end{equation*} RET
>
> Thanks, but
>
>
> M-% is bound in Xemacs 21.5.33 and GNU emacs 24.1 to 
> query-replace but it 
> this should be query-replace-regexp,  right?

Yes, C-M-%, sorry for that.

> Your code works for  constructions like
>
> $$ \int $$
>
> But not for 
> $$
> \int
> $$

Well, yes.  Instead of . you need \(.\|^J\) or \SS (that's a bad cheat:
any character with a syntax class other than S which does not exist as
far as I know).

-- 
David Kastrup