From 580a7aed748ec80ac43781add5df9a7ff6d1dd45 Mon Sep 17 00:00:00 2001 From: Jonathan Nieder Date: Fri, 26 Sep 2014 22:21:16 +0800 Subject: [MAN] Clarify "trap '' signals" syntax in manual page When the manpage states | may be null, which cause the specified signals to be ignored. it is not immediately obvious what it means for an action to be null. Clarify by explicitly referring to an empty string, as opposed to a NULL pointer or the string "null". Signed-off-by: Jonathan Nieder Signed-off-by: Herbert Xu --- ChangeLog | 4 ++++ src/dash.1 | 4 +++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 501084c..dcd0948 100644 --- a/ChangeLog +++ b/ChangeLog @@ -4,6 +4,10 @@ * Set command -p path to /usr/sbin:/usr/bin:/sbin:/bin. * Change "characters" for printf precision to "bytes". +2014-09-26 Jonathan Nieder + + * Clarify "trap '' signals" syntax in manual page. + 2014-09-26 Adam Buchbinder * Clarify that 0 and EXIT are both acceptable for exit traps. diff --git a/src/dash.1 b/src/dash.1 index 577e9ee..489cea2 100644 --- a/src/dash.1 +++ b/src/dash.1 @@ -2076,7 +2076,9 @@ or .Li EXIT , the action is executed when the shell exits. .Ar action -may be null, which cause the specified signals to be ignored. +may be empty +.Li ( "''" ) , +which causes the specified signals to be ignored. With .Ar action omitted or set to `-' the specified signals are set to their default action. -- cgit 1.4.1 852bc569f7baedc85b74037588777ccbb4&follow=1'>diff
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