diff -r 362b7659dc76 -r c5dde81b6fb2 src/ascension/error.h
--- a/src/ascension/error.h	Wed Nov 08 23:17:07 2023 +0100
+++ b/src/ascension/error.h	Wed Nov 15 22:51:40 2023 +0100
@@ -42,6 +42,8 @@
     unsigned char*: asc_error_cuchar,        \
     cxstring: asc_error_cxstr)(text)
 
+void asc_error_gl(unsigned code, cxstring message);
+
 bool asc_has_error(void);
 char const* asc_get_error(void);
 void asc_clear_error(void);