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authorRichard M. Stallman <[email protected]>2005-07-06 22:12:01 +0000
committerRichard M. Stallman <[email protected]>2005-07-06 22:12:01 +0000
commit4362c7142f042bf4d908298b42c4a1d2d2910fcf (patch)
tree4f024d37954ce1cf27910d09fa2ad192c7112807 /lispref/searching.texi
parentf6b434405bb0406f43e64e46cb38af5528a5b9af (diff)
(Regexp Search): Clarify what re-search-forward does when the search fails.
Diffstat (limited to 'lispref/searching.texi')
-rw-r--r--lispref/searching.texi23
1 files changed, 13 insertions, 10 deletions
diff --git a/lispref/searching.texi b/lispref/searching.texi
index c7c426ea03..cfb5a87d8e 100644
--- a/lispref/searching.texi
+++ b/lispref/searching.texi
@@ -850,17 +850,20 @@ extending after that position is accepted.
If @var{repeat} is supplied, it must be a positive number; the search
is repeated that many times; each repetition starts at the end of the
-previous match. If all these successive searches succeed, the
-function succeeds, moving point and returning its new value.
-Otherwise the function fails.
+previous match. If all these successive searches succeed, the search
+succeeds, moving point and returning its new value. Otherwise the
+search fails. What @code{re-search-forward} does when the search
+fails depends on the value of @var{noerror}:
-What happens when the function fails depends on the value of
-@var{noerror}. If @var{noerror} is @code{nil}, a @code{search-failed}
-error is signaled. If @var{noerror} is @code{t},
-@code{re-search-forward} does nothing and returns @code{nil}. If
-@var{noerror} is neither @code{nil} nor @code{t}, then
-@code{re-search-forward} moves point to @var{limit} (or the end of the
-accessible portion of the buffer) and returns @code{nil}.
+@table @asis
+@item @code{nil}
+Signal a @code{search-failed} error.
+@item @code{t}
+Do nothing and return @code{nil}.
+@item anything else
+Move point to @var{limit} (or the end of the accessible portion of the
+buffer) and return @code{nil}.
+@end table
In the following example, point is initially before the @samp{T}.
Evaluating the search call moves point to the end of that line (between