CATEGORY_SET      293 src/category.c   return CATEGORY_SET (XFIXNAT (ch));
CATEGORY_SET      399 src/category.c   category_set1 = CATEGORY_SET (c1);
CATEGORY_SET      402 src/category.c   category_set2 = CATEGORY_SET (c2);
CATEGORY_SET       91 src/category.h   Lisp_Object category_set = CATEGORY_SET (ch);