Re: removing spaces from a string

[Giorgos Keramidas]

On Wed, 19 Apr 2006 15:06:32 GMT, Peter Tury <tury.peter@gmail.com> wrote:
> On Wed, 19 Apr 2006 14:49:37 +0200, Pascal Bourguignon wrote:
>> Merely:  (delete ?  "ab cd  ef") --> "abcdef"
>
> Thanks for all the good, the nicer and the even nicer solutions :-))
>
> I didn't hope that I can learn such many things from such a simple problem.
>
> And finally I found them (delq and delete) at the list functions'
> description in the elisp manual (I checked only the string, the array and
> sequence functions before posting my original question :-(
>
> How to interpret ?\ ? Where can I learn about this?

It's a character constant (the SPC character in this case):

M-x info RET g (elisp)Character Type RET