Update comment about xchar

2020-11-15 14:25:45 +02:00
parent deb730d9b5
commit 0dc44ad210
1 changed files with 2 additions and 3 deletions
@@ -49,9 +49,8 @@
 #endif /* DUMB */
 /*
- * type xchar: small integers in the range 0 - 127, usually coordinates
+ * type xchar: small integers (typedef'd as signed char,
- * although they are nonnegative they must not be declared unsigned
+ * so in the range -127 - 127), usually coordinates.
 * since otherwise comparisons with signed quantities are done incorrectly
 */
 typedef schar xchar;