(compose_glyph_string): Fix for the case of category

being Mnil.

diff --git a/src/draw.c b/src/draw.c
index a9866f8..7ddd55f 100644 (file)
--- a/src/draw.c
+++ b/src/draw.c
@@ -291,7 +291,7 @@ compose_glyph_string (MFrame *frame, MText *mt, int from, int to,
       category = mchar_get_prop (c, Mcategory);
       if (category == McatCf)
        g_tmp.category = GLYPH_CATEGORY_FORMATTER;
-      else if (MSYMBOL_NAME (category)[0] == 'M')
+      else if (category != Mnil && MSYMBOL_NAME (category)[0] == 'M')
        g_tmp.category = GLYPH_CATEGORY_MODIFIER;
       else
        g_tmp.category = GLYPH_CATEGORY_NORMAL;