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man: say that we ignore ignored options

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Fixes #22057.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2022-03-04 14:13:56 +01:00
parent 46d362f406
commit 382586894b
1 changed files with 5 additions and 7 deletions
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12
man/systemd.unit.xml
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@ -126,13 +126,11 @@
<literal>@</literal> and the unit type suffix. In the unit file itself, the instance parameter may be
referred to using <literal>%i</literal> and other specifiers, see below.</para>
<para>Unit files may contain additional options on top of those
listed here. If systemd encounters an unknown option, it will
write a warning log message but continue loading the unit. If an
option or section name is prefixed with <option>X-</option>, it is
ignored completely by systemd. Options within an ignored section
do not need the prefix. Applications may use this to include
additional information in the unit files.</para>
<para>Unit files may contain additional options on top of those listed here. If systemd encounters an
unknown option, it will write a warning log message but continue loading the unit. If an option or
section name is prefixed with <option>X-</option>, it is ignored completely by systemd. Options within an
ignored section do not need the prefix. Applications may use this to include additional information in
the unit files. To access those options, applications need to parse the unit files on their own.</para>
<para>Units can be aliased (have an alternative name), by creating a symlink from the new name to the
existing name in one of the unit search paths. For example, <filename>systemd-networkd.service</filename>