1 files changed, 3 insertions, 0 deletions

diff --git a/src/font.h b/src/font.h
index 3e84e298015..a3926d2607e 100644
--- a/src/font.h
+++ b/src/font.h
@@ -130,6 +130,9 @@ enum font_property_index
 
 extern Lisp_Object QCotf, QClanguage, QCscript;
 
+/* Important character set symbols.  */
+extern Lisp_Object Qiso8859_1, Qiso10646_1, Qunicode_bmp;
+
 extern Lisp_Object null_string;
 extern Lisp_Object null_vector;