(x_draw_image_glyph_string): Remove a comment describing

a feature to implement that is already implemented.
(note_mouse_highlight, x_find_ccl_program): Avoid some compiler
warnings.

diff --git a/src/xterm.c b/src/xterm.c
index 25e9d223ffbb0ef3207b650b25be5477dfe9fbc9..f95d5b50ef54773af78de18adeb01918c9d029a3 100644 (file)
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -3966,9 +3966,9 @@ x_draw_image_glyph_string (s)
       
       if (s->img->mask)
        {
-         /* Create a pixmap as large as the glyph string Fill it with
-            the background color.  Copy the image to it, using its
-            mask.  Copy the temporary pixmap to the display.  */
+         /* Create a pixmap as large as the glyph string.  Fill it
+            with the background color.  Copy the image to it, using
+            its mask.  Copy the temporary pixmap to the display.  */
          Screen *screen = FRAME_X_SCREEN (s->f);
          int depth = DefaultDepthOfScreen (screen);
 
@@ -4002,10 +4002,6 @@ x_draw_image_glyph_string (s)
            }
        }
       else
-       /* Implementation idea: Is it possible to construct a mask?
-          We could look at the color at the margins of the image, and
-          say that this color is probably the background color of the
-          image.  */
        x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height);
       
       s->background_filled_p = 1;
@@ -6670,7 +6666,7 @@ note_mouse_highlight (f, x, y)
          Lisp_Object help, overlay;
 
          /* Check overlays first.  */
-         help = Qnil;
+         help = overlay = Qnil;
          for (i = noverlays - 1; i >= 0 && NILP (help); --i)
            {
              overlay = overlay_vec[i];
@@ -13089,6 +13085,7 @@ x_find_ccl_program (fontp)
 {
   Lisp_Object list, elt;
 
+  elt = Qnil;
   for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list))
     {
       elt = XCAR (list);
@@ -13098,6 +13095,7 @@ x_find_ccl_program (fontp)
              >= 0))
        break;
     }
+  
   if (! NILP (list))
     {
       struct ccl_program *ccl