HASH              235 src/io.c       	      h = HASH (h, ig_case ? tolower (c) : c);
HASH              248 src/io.c       		  h = HASH (h, ' ');
HASH              252 src/io.c       	      h = HASH (h, ig_case ? tolower (c) : c);
HASH              307 src/io.c       		  h = HASH (h, c);
HASH              316 src/io.c       	      h = HASH (h, tolower (c));
HASH              319 src/io.c       	      h = HASH (h, c);