GitLab

(FACE_FOR_CHAR): Simplify because face_for_char does the same.
* fontset.c (face_suitable_for_char_p) [0]: Remove unused function.
(font_for_char): Prefer ptrdiff_t to int for buffer position.
(face_for_char): Likewise.  Rearrange eassert and return ASCII
face for CHAR_BYTE8_P.
* fontset.h (font_for_char, face_for_char): Adjust prototypes.