Mercurial > vim
diff runtime/doc/options.txt @ 6328:adfbffe1e642 v7.4.497
updated for version 7.4.497
Problem: With some regexp patterns the NFA engine uses many states and
becomes very slow. To the user it looks like Vim freezes.
Solution: When the number of states reaches a limit fall back to the old
engine. (Christian Brabandt)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 05 Nov 2014 14:27:36 +0100 |
| parents | bd18da914be9 |
| children | 4abac79c0b7a |
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--- a/runtime/doc/options.txt +++ b/runtime/doc/options.txt @@ -5626,6 +5626,10 @@ A jump table for the options with a shor Note that when using the NFA engine and the pattern contains something that is not supported the pattern will not match. This is only useful for debugging the regexp engine. + Using automatic selection enables Vim to switch the engine, if the + default engine becomes too costly. E.g., when the NFA engine uses too + many states. This should prevent Vim from hanging on a combination of + a complex pattern with long text. *'relativenumber'* *'rnu'* *'norelativenumber'* *'nornu'* 'relativenumber' 'rnu' boolean (default off)