Updated doc.

src/min_array.h

@@ -1,8 +1,8 @@
-/** Macro for a type-specific minimal dynamic array: `MIN_ARRAY(name, type)`,
- where `name` is an identifier prefix that satisfies `C` naming conventions
- when mangled and `type` is defined tag-type associated therewith. When
- expanding the array, resizing may be necessary and incurs amortised cost; any
- pointers to this memory may become stale. */
+/** Macro for a generic minimal dynamic array: `MIN_ARRAY(name, type)`, where
+ `name` is an identifier prefix that satisfies `C` naming conventions when
+ mangled and `type` is defined tag-type associated therewith. When expanding
+ the array, resizing may be necessary and incurs amortised cost; any pointers
+ to this memory may become stale. */
 
 #include <stdlib.h> /* size_t realloc free */
 #include <string.h> /* memmove strcmp memcpy */
@@ -29,6 +29,7 @@ static int name##_array_reserve(struct name##_array *const a, \
 	const size_t max_size = (size_t)-1 / sizeof *a->data; \
 	assert(a); \
 	if(a->data) { \
+		assert(a->size <= a->capacity); \
 		if(min_capacity <= a->capacity) return 1; \
 		c0 = a->capacity; \
 	} else { /* Idle. */ \