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Diffstat (limited to 'Build/source/texk/web2c/pdftexdir/writefont.c')
-rw-r--r--Build/source/texk/web2c/pdftexdir/writefont.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/Build/source/texk/web2c/pdftexdir/writefont.c b/Build/source/texk/web2c/pdftexdir/writefont.c
index ec073e0edff..5f67a348bae 100644
--- a/Build/source/texk/web2c/pdftexdir/writefont.c
+++ b/Build/source/texk/web2c/pdftexdir/writefont.c
@@ -1,5 +1,5 @@
/* writefont.c: font descriptors and writing Type 1 fonts.
-Copyright 1996-2018 Han The Thanh, <thanh@pdftex.org>
+Copyright 1996-2021 Han The Thanh, <thanh@pdftex.org>
This file is part of pdfTeX.
@@ -552,7 +552,9 @@ static void write_fontdictionary(fo_entry * fo)
fo->tounicode_objnum =
write_tounicode(fo->fe->glyph_names, fo->fm->tfm_name, fo->fe->name);
} else if (is_type1(fo->fm)) {
- assert(fo->fd->builtin_glyph_names != NULL);
+ if (fo->fd->builtin_glyph_names==NULL) {
+ pdftex_fail("builtin glyph names is empty");
+ }
fo->tounicode_objnum =
write_tounicode(fo->fd->builtin_glyph_names, fo->fm->tfm_name, NULL);
}