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authorPeter Stephenson <pws@users.sourceforge.net>2010-02-26 12:09:20 +0000
committerPeter Stephenson <pws@users.sourceforge.net>2010-02-26 12:09:20 +0000
commit07b6256d8ea03805dd8a24c184bf455ee31d6115 (patch)
tree98e16977e063db6d46c7b13e4b82c3cef3978dd9 /Doc/Zsh
parentecc7dc91f639a5849ba2983786d932007f7a0773 (diff)
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27756: add OS file locking to calendar
add errflag test to loop over fcntl()
Diffstat (limited to 'Doc/Zsh')
-rw-r--r--Doc/Zsh/calsys.yo4
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/Zsh/calsys.yo b/Doc/Zsh/calsys.yo
index 68f68a8d2..94ddd9f75 100644
--- a/Doc/Zsh/calsys.yo
+++ b/Doc/Zsh/calsys.yo
@@ -470,7 +470,9 @@ tt(calendar -s) is called to update it.
 
 This function locks out the calendar system during the edit.
 Hence it should be used to edit the calendar file if there is any
-possibility of a calendar event occurring meanwhile.
+possibility of a calendar event occurring meanwhile.  Note this
+can lead to another shell with calendar functions enabled hanging waiting
+for a lock, so it is necessary to quit the editor as soon as possible.
 )
 findex(calendar_parse)
 item(tt(calendar_parse) var(calendar-entry))(