/* Temporary variable used only in the following macros. */
extern Lisp_Object composition_temp;
-/* Return 1 iff the composition is already registered. */
+/* Return 1 if the composition is already registered. */
#define COMPOSITION_REGISTERD_P(prop) INTEGERP (XCAR (prop))
/* Return ID number of the already registered composition. */
? COMPOSITION_WITH_ALTCHARS \
: COMPOSITION_WITH_RULE_ALTCHARS))))
-/* Return 1 iff the composition is valid. It is valid if length of
+/* Return 1 if the composition is valid. It is valid if length of
the composition equals to (END - START). */
#define COMPOSITION_VALID_P(start, end, prop) \
(CONSP (prop) \