Re: replace-regexp

[Emanuel Berg]

Stefan Monnier via Users list for the GNU Emacs text editor wrote:

>> (defun md-latex (beg end)
>>   (interactive "r")
>>   (save-excursion
>>     (goto-char beg)
>>     (while (re-search-forward "_\\(.*\\)_" end t)
>>       (setq end (copy-marker end t))
>>       (replace-match "\\\\textit{\\1}") )))
>
> Almost: move the (setq end (copy-marker end t)) outside
> the loop.

What does it do to end that makes it work?

-- 
underground experts united
https://dataswamp.org/~incal