bug#21278: char-fold isearch: space and newline still broken

[Augusto Stoffel]

On Sat, 11 Sep 2021 at 14:12, Lars Ingebrigtsen <larsi@gnus.org> wrote:

> Augusto Stoffel <arstoffel@gmail.com> writes:
>
>> For the record, search-whitespace-regexp could have more useful values
>> suggested in customize.  I can think of:
>>
>> - not too lax: "[ \\t]+"
>> - match across lines: "[ \\t\\n]+"
>> - eat punctuation: "\\W+"
>> - fuzzy: ".*?"
>
> I'm thing that trying to assign names to "[ \t]+" as "not too lax" will
> just be more confusing than saying "tabs and spaces", and the same goes
> for the other alternatives, too.

Right, more serious names could be:

1. Tabs and spaces
2. Tabs, spaces and line breaks
3. Whitespace and punctuation
4. Any sequence of characters (fuzzy)

Description 3. might not be 100% accurate, but is probably more
meaningful than "Non-word characters".