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-rw-r--r--Documentation/git-grep.txt7
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 71f32f3508..5033483db4 100644
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -161,8 +161,11 @@ OPTIONS
-P::
--perl-regexp::
- Use Perl-compatible regexp for patterns. Requires libpcre to be
- compiled in.
+ Use Perl-compatible regular expressions for patterns.
++
+Support for these types of regular expressions is an optional
+compile-time dependency. If Git wasn't compiled with support for them
+providing this option will cause it to die.
-F::
--fixed-strings::