GitLab

CHAR_TABLE_ORDINARY_SLOTS for top, defalt, parent, and purpose.
(SUB_CHAR_TABLE_ORDINARY_SLOTS, SUB_CHAR_TABLE_STANDARD_SLOTS):
New macros.
(struct Lisp_Char_Table): New member `top'.  The member `defalt'
is moved before `contents' so that XCHAT_TABLE (val)->defalt can
also be used for a sub char table.
(SUB_CHAR_TABLE_P): New macro.
(make_sub_char_table): Extern it.