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From 388a91b06473b13a59ba217d23b26ca3dc0f2555 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Fri, 7 Aug 2015 00:06:15 -0400
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Subject: [PATCH] man: clarify that unknown escapes must be escaped
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https://bugzilla.redhat.com/show_bug.cgi?id=1251334
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is about a unit file which has
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Environment=TERM=linux PS1=system-upgrade:\w\$\x20
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We used to allow that, but after recent tightening of parsing
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rules, we barf. Make it clear that this is intentional.
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---
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man/systemd.service.xml | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/man/systemd.service.xml b/man/systemd.service.xml
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index 4368ca8..7e96989 100644
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--- a/man/systemd.service.xml
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+++ b/man/systemd.service.xml
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@@ -922,7 +922,10 @@
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the arguments. Double quotes ("...") and single quotes ('...') may
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be used, in which case everything until the next matching quote
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becomes part of the same argument. C-style escapes are also
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- supported, see table below. Quotes themselves are removed after
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+ supported. The table below contains the list of allowed escape
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+ patterns. Only patterns which match the syntax in the table are
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+ allowed; others will result in an error, and must be escaped by
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+ doubling the backslash. Quotes themselves are removed after
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parsing and escape sequences substituted. In addition, a trailing
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backslash (<literal>\</literal>) may be used to merge lines.
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</para>
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@@ -939,7 +942,7 @@
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<literal>&</literal>, and <emphasis>other elements of shell
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syntax are not supported</emphasis>.</para>
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- <para>The command to execute must an absolute path name. It may
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+ <para>The command to execute must be an absolute path name. It may
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contain spaces, but control characters are not allowed.</para>
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<para>The command line accepts <literal>%</literal> specifiers as
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--
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2.4.3
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