bug#7718: 23.2.91; Info-isearch-search fails isearch

[Leo <sdl.web@gmail.com>]

On 2010-12-23 19:28 +0000, Juri Linkov wrote:
>> Info-isearch-search returns a function that does not implement the
>> noerror arg(see Info-search), which means it will err even if
>> deliberately asked not to.
>
> Info-isearch-search does not implement the noerror arg because it just passes it
> unchanged to Info-search.  Do you mean Info-search should implement noerror for
> some non-interactive uses?  What it should do when noerror is non-nil?

That's what I meant. Info-search doesn't implement noerror. I think it
should be like the default isearch search functions:
re-/search-forward/backward: Optional argument, if t, means if fail just
return nil (no error).

Thanks.
Leo