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-rw-r--r--Doc/Zsh/options.yo8
1 files changed, 6 insertions, 2 deletions
diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo
index fd21e23e4..ffeca7db9 100644
--- a/Doc/Zsh/options.yo
+++ b/Doc/Zsh/options.yo
@@ -583,9 +583,13 @@ However, if this option is unset, we instead truncate the old
 history file and write out the new version in-place.  If one of the
 history-appending options is enabled, this option only has an affect
 when the enlarged history file needs to be re-written to trim it
-down to size.  Disable this only if you have special needs, as this
-makes it possible to lose history entries if zsh gets interrupted
+down to size.  Disable this only if you have special needs, as doing
+so makes it possible to lose history entries if zsh gets interrupted
 during the save.
+
+When writing out a copy of the history file, zsh preserves the old
+file's permissions and group information, but will refuse to write
+out a new file if it would change the history file's owner.
 )
 pindex(HIST_SAVE_NO_DUPS)
 item(tt(HIST_SAVE_NO_DUPS))(