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man: add a note that NULL "s" arg for sd_bus_message_append

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Zbigniew Jędrzejewski-Szmek 2016-10-17 12:22:44 -04:00
parent c7458f9399
commit caf15ff01e
1 changed files with 5 additions and 0 deletions
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man/sd_bus_message_append.xml
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@ -169,6 +169,11 @@
</tgroup>
</table>
<para>For types "s" and "g" (unicode string or signature), the pointer may be
<constant>NULL</constant>, which is equivalent to an empty string. See
<citerefentry><refentrytitle>sd_bus_message_append_basic</refentrytitle><manvolnum>3</manvolnum></citerefentry>
for the precise interpretation of those and other types.</para>
</refsect1>
<refsect1>