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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-10-17 12:22:44 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-10-17 12:22:44 -0400
commitcaf15ff01e7ebd83b09e7ad6e0446b24d0041beb (patch)
tree19022b53261235c24d69d56f90375d54297248bb
parentc7458f93991105e9890b0ec8dfc849b019b5df5f (diff)
man: add a note that NULL "s" arg for sd_bus_message_append
-rw-r--r--man/sd_bus_message_append.xml5
1 files changed, 5 insertions, 0 deletions
diff --git a/man/sd_bus_message_append.xml b/man/sd_bus_message_append.xml
index 77fce02eae..c222d0fd0e 100644
--- a/man/sd_bus_message_append.xml
+++ b/man/sd_bus_message_append.xml
@@ -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>