Re: Trimming strings, /emacs/lisp/emacs-lisp/subr-x.el modification

[Michael Heerdegen]

Jean-Christophe Helary <address@hidden> writes:

> >    (split-string "abc, ;def g,hi" nil nil ",\\|;")
> >    =>
> >      ("abc" "def" "g")  ; BUG
>
> Ok, and the way to get your result is:
>
> (split-string "abc, ;def g,hi" nil nil "\\(,\\|;\\)")
>
> which means that Emacs thinks it is the caller's duty to provide the
> grouping construct, which also happens to be ugly, and non-intuitive
> since ",\\|;" is an otherwise valid regexp...
>
> So, how do we go about that? Do we report a bug? Or do we find a good
> reason for that to happen and modify the documentation for
> split-string ?

I'm curious what could be reasons not to fix this (in the code).
Allowing only a subset of possible regexps would be quite strange.
Would there be any advantages?


Michael.