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-rw-r--r--man/sysusers.d.xml3
1 files changed, 2 insertions, 1 deletions
diff --git a/man/sysusers.d.xml b/man/sysusers.d.xml
index 47f018f402..1c87b1bdd1 100644
--- a/man/sysusers.d.xml
+++ b/man/sysusers.d.xml
@@ -194,7 +194,8 @@ u root 0 "Superuser" /root /bin/zsh</pro
match the owners of pre-existing files (such as SUID or SGID
binaries).
The syntax <literal><replaceable>uid</replaceable>:<replaceable>gid</replaceable></literal> is also supported to
- allow creating user and group pairs with different numeric UID and GID values. The group with the indicated GID must get created explicitly before or it must already exist.
+ allow creating user and group pairs with different numeric UID and GID values. The group with the indicated GID must get created explicitly before or it must already exist. Specifying <literal>-</literal> for the UID in this syntax
+ is also supported.
</para>
<para>For <varname>m</varname> lines, this field should contain