/* Return a font-group (actually a cons (-1 . FONT-GROUP-VECTOR)) for
character C in FONTSET. If C is -1, return a fallback font-group.
If C is not -1, the value may be Qt (FONTSET doesn't have a font
- for C even in the fallback group, or 0 (a font for C may be found
+ for C even in the fallback group), or 0 (a font for C may be found
only in the fallback group). */
static Lisp_Object
if (! NILP (font_group))
return font_group;
base_fontset = FONTSET_BASE (fontset);
- if (c >= 0)
+ if (NILP (base_fontset))
+ font_group = Qnil;
+ else if (c >= 0)
font_group = char_table_ref_and_range (base_fontset, c, &from, &to);
else
font_group = FONTSET_FALLBACK (base_fontset);
char_table_set_range (fontset, from, to, font_group);
return font_group;
}
+ if (!VECTORP (font_group))
+ return font_group;
font_group = Fcopy_sequence (font_group);
for (i = 0; i < ASIZE (font_group); i++)
if (! NILP (AREF (font_group, i)))
#ifdef FONTSET_DEBUG
+Lisp_Object dump_fontset (Lisp_Object) EXTERNALLY_VISIBLE;
+
Lisp_Object
dump_fontset (Lisp_Object fontset)
{