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-rw-r--r--Doc/Zsh/mod_pcre.yo4
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/Zsh/mod_pcre.yo b/Doc/Zsh/mod_pcre.yo
index 76cf5dec6..2d9989083 100644
--- a/Doc/Zsh/mod_pcre.yo
+++ b/Doc/Zsh/mod_pcre.yo
@@ -18,5 +18,9 @@ findex(pcre_match)
 item(tt(pcre_match) var(string))(
 Returns successfully if tt(string) matches the previously-compiled
 PCRE.
+
+If the expression captures substrings within parentheses,
+tt(pcre_match) will set the positional parameters to
+those substrings, starting with $1 for the first.
 )
 enditem()