[empathy] Add a comment to explain what does tp_contact_list_group_add

[Xavier Claessens <xclaesse src gnome org>]

commit ce64e9fc90ebbca2a9f36cb55cd0c837f1da2e27
Author: Xavier Claessens <xclaesse gmail com>
Date:   Tue Apr 21 01:04:48 2009 +0200

    Add a comment to explain what does tp_contact_list_group_add
---
 libempathy/empathy-tp-contact-list.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/libempathy/empathy-tp-contact-list.c b/libempathy/empathy-tp-contact-list.c
index a4d91be..f2c552c 100644
--- a/libempathy/empathy-tp-contact-list.c
+++ b/libempathy/empathy-tp-contact-list.c
@@ -315,6 +315,7 @@ tp_contact_list_group_add (EmpathyTpContactList *list,
 	const gchar              *names[] = {group_name, NULL};
 	GroupAddData             *data;
 
+	/* Search the channel for that group name */
 	channel = g_hash_table_lookup (priv->groups, group_name);
 	if (channel) {
 		tp_cli_channel_interface_group_call_add_members (channel, -1,
@@ -323,6 +324,10 @@ tp_contact_list_group_add (EmpathyTpContactList *list,
 		return;
 	}
 
+	/* That group does not exist yet, we have to:
+	 * 1) Request an handle for the group name
+	 * 2) Request a channel
+	 * 3) Add handles in members of the new channel */
 	data = g_slice_new0 (GroupAddData);
 	data->handles = handles;
 	data->ref_count = 1;