(x_produce_glyphs): When a font is not found, make the

empty box occupy at least one column width.

diff --git a/src/xdisp.c b/src/xdisp.c
index 5a78dd4..cd4683a 100644 (file)
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -20853,9 +20853,15 @@ x_produce_glyphs (it)
 
          if (font_not_found_p || !pcm)
            {
+             int char_width = CHAR_WIDTH (it->char_to_display);
+
+             if (char_width == 0)
+               /* This is a non spacing character.  But, as we are
+                  going to display an empty box, the box must occupy
+                  at least one column.  */
+               char_width = 1;
              it->glyph_not_available_p = 1;
-             it->pixel_width = (FRAME_COLUMN_WIDTH (it->f)
-                                * CHAR_WIDTH (it->char_to_display));
+             it->pixel_width = FRAME_COLUMN_WIDTH (it->f) * char_width;
              it->phys_ascent = FONT_BASE (font) + boff;
              it->phys_descent = FONT_DESCENT (font) - boff;
            }