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-rw-r--r--Doc/Zsh/mod_attr.yo5
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/Zsh/mod_attr.yo b/Doc/Zsh/mod_attr.yo
index ed444d0d7..96ac2e011 100644
--- a/Doc/Zsh/mod_attr.yo
+++ b/Doc/Zsh/mod_attr.yo
@@ -32,3 +32,8 @@ var(filename). If the optional argument var(parameter) is given, the
 list of attributes is set on that parameter instead of being printed to stdout.
 )
 enditem()
+
+tt(zgetattr) and tt(zlistattr) allocate memory dynamically.  If the
+attribute or list of attributes grows between the allocation and the call
+to get them, they return 2.  On all other errors, 1 is returned.  This
+allows the calling function to check for this case and retry.