RE: Problem with whitespaces in search

["Ludwig, Mark" <ludwig.mark@siemens.com>]

> From: tomas@tuxteam.de, Thursday, January 28, 2016 7:49 AM
> 
> On Thu, Jan 28, 2016 at 11:16:34AM +0100, Philippe Delavalade wrote:
> > Hi.
> >
> > I have just noticed a problem when searching whitespaces. I'm using version
> > 24.3.1 under linux/slackware 14.1.
> >
> > For instance, with a file containing the unique line
> >
> > abcd  fghix   jklmxx    nopqxxx
> >
> > and with the cursor on column 0, when searching whitespaces (incremental or
> > not), the cursor comes under the 'f' which is normal but it stays their
> > even when typing many ' '.
> 
> In "incremental search" (I'm assuming from context you are using that), any
> whitespace you enter will match a sequence of one or more whitespaces.
> 
> You can change this behaviour by setting the variable "isearch-lax-whitespace"
> to nil (there is a command for that, "isearch-toggle-lax-whitespace").
> 
> Try M-x isearch-toggle-lax-whitespace to change that.
> 
> hth
> - -- t

I'm running Emacs 24.2.1, with the same behavior.
I don't see any variable with any similar name.

I've tried Apropos both "isearch" and "whitespace" and don't see anything.

Thanks,
Mark