-/* In the format `[[file_name:line.column]], [[file_name:line.column]]', append
- LOC to MUSCLE. Use digraphs for special characters in each file name. */
-void muscle_location_grow (char const *key, location loc);
-
-/* In the format `file_name:line.column', append BOUND to MUSCLE. Use digraphs
- for special characters in the file name. */
-void muscle_boundary_grow (char const *key, boundary bound);
-