Document when config can be NULL (#17105)

[fontconfig.git] / doc / fcfontset.fncs

diff --git a/doc/fcfontset.fncs b/doc/fcfontset.fncs
index 19d4272458165175586b6f913e81831b627087a8..db1ae370d6a9f7e648761931f4a40ae06f6a96b6 100644 (file)
--- a/doc/fcfontset.fncs
+++ b/doc/fcfontset.fncs
@@ -62,6 +62,8 @@ Selects fonts matching <parameter>pattern</parameter> from
 <parameter>sets</parameter>, creates patterns from those
 fonts containing only the objects in <parameter>object_set</parameter> and returns
 the set of unique such patterns.
+If <parameter>config</parameter> is NULL, the default configuration is checked
+to be up to date, and used.
 @@
 
 @RET@          FcPattern *
@@ -80,6 +82,7 @@ pattern. This function should be called only after
 <function>FcConfigSubstitute</function> and
 <function>FcDefaultSubstitute</function> have been called for
 <parameter>pattern</parameter>; otherwise the results will not be correct.
+If <parameter>config</parameter> is NULL, the current configuration is used.
 Returns NULL if an error occurs during this process.
 @@