Index: gtk+-2.19.0/gtk/gtkfontbutton.c
===================================================================
--- gtk+-2.19.0.orig/gtk/gtkfontbutton.c
+++ gtk+-2.19.0/gtk/gtkfontbutton.c
@@ -893,7 +893,7 @@ gtk_font_button_update_font_info (GtkFon
   if (style == NULL || !g_ascii_strcasecmp (style, "Regular"))
     family_style = g_strdup (family);
   else
-    family_style = g_strdup_printf ("%s %s", family, style);
+    family_style = g_strdup_printf ("%s %s", family, _(style));
   
   gtk_label_set_text (GTK_LABEL (font_button->priv->font_label), family_style);
   
Index: gtk+-2.19.0/gtk/gtkfontsel.c
===================================================================
--- gtk+-2.19.0.orig/gtk/gtkfontsel.c
+++ gtk+-2.19.0/gtk/gtkfontsel.c
@@ -76,6 +76,21 @@
 
 #define DEFAULT_FONT_NAME "Sans 10"
 
+/* These are the commonly used font styles, listed here only for
+   translations. */
+#define FONT_STYLE_ULTRA_LIGHT  N_("Ultra-Light")
+#define FONT_STYLE_LIGHT        N_("Light")
+#define FONT_STYLE_MEDIUM       N_("Medium")
+#define FONT_STYLE_NORMAL       N_("Normal")
+#define FONT_STYLE_REGULAR      N_("Regular")
+#define FONT_STYLE_ITALIC       N_("Italic")
+#define FONT_STYLE_OBLIQUE      N_("Oblique")
+#define FONT_STYLE_SEMI_BOLD    N_("Semi-Bold")
+#define FONT_STYLE_BOLD         N_("Bold")
+#define FONT_STYLE_ULTRA_BOLD   N_("Ultra-Bold")
+#define FONT_STYLE_HEAVY        N_("Heavy")
+#define FONT_STYLE_BOLD_ITALIC  N_("Bold Italic")
+
 /* This is the initial and maximum height of the preview entry (it expands
    when large font sizes are selected). Initial height is also the minimum. */
 #define INITIAL_PREVIEW_HEIGHT 44
@@ -869,7 +884,7 @@ gtk_font_selection_show_available_styles
       gtk_list_store_append (model, &iter);
       gtk_list_store_set (model, &iter,
 			  FACE_COLUMN, faces[i],
-			  FACE_NAME_COLUMN, str,
+			  FACE_NAME_COLUMN, _(str),
 			  -1);
 
       if (i == 0)