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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-08-07 00:06:15 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-08-07 00:07:39 -0400
commit388a91b06473b13a59ba217d23b26ca3dc0f2555 (patch)
tree39947a8f26580997d6c022b5929042884efe7be6 /man/systemd.service.xml
parent67a3328fbdecd1d81431cc6380de5b3f2d628def (diff)
man: clarify that unknown escapes must be escaped
https://bugzilla.redhat.com/show_bug.cgi?id=1251334 is about a unit file which has Environment=TERM=linux PS1=system-upgrade:\w\$\x20 We used to allow that, but after recent tightening of parsing rules, we barf. Make it clear that this is intentional.
Diffstat (limited to 'man/systemd.service.xml')
-rw-r--r--man/systemd.service.xml7
1 files changed, 5 insertions, 2 deletions
diff --git a/man/systemd.service.xml b/man/systemd.service.xml
index 4368ca8a19..7e96989583 100644
--- a/man/systemd.service.xml
+++ b/man/systemd.service.xml
@@ -922,7 +922,10 @@
the arguments. Double quotes ("...") and single quotes ('...') may
be used, in which case everything until the next matching quote
becomes part of the same argument. C-style escapes are also
- supported, see table below. Quotes themselves are removed after
+ supported. The table below contains the list of allowed escape
+ patterns. Only patterns which match the syntax in the table are
+ allowed; others will result in an error, and must be escaped by
+ doubling the backslash. Quotes themselves are removed after
parsing and escape sequences substituted. In addition, a trailing
backslash (<literal>\</literal>) may be used to merge lines.
</para>
@@ -939,7 +942,7 @@
<literal>&amp;</literal>, and <emphasis>other elements of shell
syntax are not supported</emphasis>.</para>
- <para>The command to execute must an absolute path name. It may
+ <para>The command to execute must be an absolute path name. It may
contain spaces, but control characters are not allowed.</para>
<para>The command line accepts <literal>%</literal> specifiers as