bug#25562: 25.1; isearch-forward-word first matches a non-word

[Juri Linkov]

> IIRC, it was supposed to work this way, i.e.:
>
> ‘M-s w RET it RET’ to quit isearch and search the word nonincrementally,
> as documented in (info "(emacs) Word Search")
>
> ‘M-s w RET it C-s’ to enter the word and continue searching incrementally,
> as documented in the docstrings of ‘isearch-forward-exit-minibuffer’ and
> ‘isearch-reverse-exit-minibuffer’, but at some point the implementation
> deviated from its documentation.  Here is the patch to restore it:

Installed as well.  I guess updating NEWS is not needed because
it already used to work this way some time ago, and the Emacs manual
mentions this feature in several places, e.g. in ‘(emacs) Repeat Isearch’:
“Type <RET>, `C-s' or `C-r' to finish editing the string and search for it.”