[gdm/wip/initial-setup] Sync username utilities from gnome-control-center

[Matthias Clasen <matthiasc src gnome org>]

commit 4d7334d31d397ffb08172523c059143a90de8b87
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 23 17:15:44 2011 -0400

    Sync username utilities from gnome-control-center

 gui/initial-setup/um-utils.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/gui/initial-setup/um-utils.c b/gui/initial-setup/um-utils.c
index b874ff4..f579cb7 100644
--- a/gui/initial-setup/um-utils.c
+++ b/gui/initial-setup/um-utils.c
@@ -557,14 +557,18 @@ generate_username_choices (const gchar  *name,
 
         lc_name = g_ascii_strdown (ascii_name, -1);
 
-        /* remove all non ASCII alphanumeric chars from the name,
-         * apart from the few allowed symbols
+        /* Remove all non ASCII alphanumeric chars from the name,
+         * apart from the few allowed symbols.
+         *
+         * We do remove '.', even though it is usually allowed,
+         * since it often comes in via an abbreviated middle name,
+         * and the dot looks just wrong in the proposals then.
          */
         stripped_name = g_strnfill (strlen (lc_name) + 1, '\0');
         i = 0;
         for (c = lc_name; *c; c++) {
                 if (!(g_ascii_isdigit (*c) || g_ascii_islower (*c) ||
-                    *c == ' ' || *c == '-' || *c == '.' || *c == '_' ||
+                    *c == ' ' || *c == '-' || *c == '_' ||
                     /* used to track invalid words, removed below */
                     *c == '?') )
                         continue;