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-rw-r--r--Doc/Zsh/compsys.yo8
1 files changed, 6 insertions, 2 deletions
diff --git a/Doc/Zsh/compsys.yo b/Doc/Zsh/compsys.yo
index 9a0c1a57d..6f378a3de 100644
--- a/Doc/Zsh/compsys.yo
+++ b/Doc/Zsh/compsys.yo
@@ -3470,8 +3470,12 @@ completion functions are called even if there are no matches so far.
 )
 findex(_parameters)
 item(tt(_parameters))(
-This should be used to complete parameter names.  All arguments are
-passed unchanged to the tt(compadd) builtin.
+This should be used to complete parameter names.  tt(_parameters) can
+take a tt(-g var(pattern)) option which specifies that only parameters
+whose type matches the var(pattern) should be completed.  Strings of
+the same form as those returned by the tt(t) parameter expansion flag
+are used here when matching the type.  All other arguments are passed
+unchanged to the tt(compadd) builtin.
 )
 findex(_path_files)
 item(tt(_path_files))(