[at-spi2-core] Document that multiple attribute values can now be listed in match rules.

[Mike Gorse <mgorse src gnome org>]

commit 3225411b7c2c44a1bba136edffa29efa13e00019
Author: Mike Gorse <mgorse suse com>
Date:   Sun Sep 15 12:04:22 2013 -0500

    Document that multiple attribute values can now be listed in match rules.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=700865

 atspi/atspi-matchrule.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/atspi/atspi-matchrule.c b/atspi/atspi-matchrule.c
index 60060bb..1a17cf3 100644
--- a/atspi/atspi-matchrule.c
+++ b/atspi/atspi-matchrule.c
@@ -81,7 +81,10 @@ atspi_match_rule_class_init (AtspiMatchRuleClass *klass)
  * @statematchtype: An #AtspiCollectionMatchType specifying how to interpret
  *          @states.
  * @attributes: (element-type gchar* gchar*): A #GHashTable specifying
- *          attributes to match.
+ *          attributes to match. To specify multiple attribute values,
+ *          separate each value with a :: If an attribute value contains a :,
+ *          then it can be escaped by preceding it with a \. A backslash can
+ *          likewise be escaped by inserting a double backslash.
  * @attributematchtype: An #AtspiCollectionMatchType specifying how to
  *          interpret @attributes.
  * @interfaces: (element-type gchar*): An array of interfaces to match, or