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| author | Eli Zaretskii <eliz@gnu.org> | 2022-11-03 20:02:00 +0200 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2022-11-03 20:02:00 +0200 |
| commit | 8cae9d8bd843398010c41b1bf6d96c20937ab38f (patch) | |
| tree | fa9f36ab21bdee7221695947ad08d8c2ed534565 | |
| parent | e01e8a8f848600532bce76705339c96e19b3ae40 (diff) | |
| download | emacs-8cae9d8bd843398010c41b1bf6d96c20937ab38f.tar.gz | |
; * doc/emacs/search.texi (Lax Search): Improve wording. (Bug#58992)
| -rw-r--r-- | doc/emacs/search.texi | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/doc/emacs/search.texi b/doc/emacs/search.texi index 269ea71aa8f..c58cc363ad2 100644 --- a/doc/emacs/search.texi +++ b/doc/emacs/search.texi @@ -1332,18 +1332,19 @@ tailor them to your needs. @kindex SPC @r{(Incremental search)} @findex isearch-toggle-lax-whitespace @vindex search-whitespace-regexp - By default, search commands perform @dfn{lax space matching}: -each space, or sequence of spaces, matches any sequence of one or more -whitespace characters in the text. (Incremental regexp search has a -separate default; see @ref{Regexp Search}.) Hence, @w{@samp{foo bar}} -matches @w{@samp{foo bar}}, @w{@samp{foo@ @ bar}}, -@w{@samp{foo@ @ @ bar}}, and so on (but not @samp{foobar}). More -precisely, Emacs matches each sequence of space characters in the -search string to a regular expression specified by the variable -@code{search-whitespace-regexp}. For example, to make spaces match -sequences of newlines as well as spaces, set it to the regular expression -@samp{[[:space:]\n]+}. The default value of this variable considers -any sequence of spaces and tab characters as whitespace. + By default, search commands perform @dfn{lax space matching}: each +space, or sequence of spaces, matches any sequence of one or more +whitespace characters in the text. More precisely, Emacs matches each +sequence of space characters in the search string to a regular +expression specified by the user option +@code{search-whitespace-regexp}. The default value of this option +considers any sequence of spaces and tab characters as whitespace. +Hence, @w{@samp{foo bar}} matches @w{@samp{foo bar}}, @w{@samp{foo@ @ +bar}}, @w{@samp{foo@ @ @ bar}}, and so on (but not @samp{foobar}). If +you want to make spaces match sequences of newlines as well as spaces +and tabs, customize the option to make its value be the regular +expression @samp{[[:space:]\n]+}. (The default behavior of the +incremental regexp search is different; see @ref{Regexp Search}.) If you want whitespace characters to match exactly, you can turn lax space matching off by typing @kbd{M-s @key{SPC}} |