op.h: Fix comments in #defines that cross lines

It is not good form to have comments in a #define continue onto the next
line, especially not with a \ ending each continuation line.  People
preferred that the comment be placed before the #define

diff --git a/op.h b/op.h
index 2ea1dce..257a951 100644 (file)
--- a/op.h
+++ b/op.h
@@ -361,25 +361,25 @@ struct pmop {
 
 
 #define PMf_RETAINT    0x00000040      /* taint $1 etc. if target tainted */
-#define PMf_ONCE       0x00000080      /* match successfully only once per
-                                           reset, with related flag RXf_USED
-                                           in re->extflags holding state.
-                                          This is used only for ?? matches,
-                                          and only on OP_MATCH and OP_QR */
 
+/* match successfully only once per reset, with related flag RXf_USED in
+ * re->extflags holding state.  This is used only for ?? matches, and only on
+ * OP_MATCH and OP_QR */
+#define PMf_ONCE       0x00000080
 #define PMf_UNUSED     0x00000100      /* free for use */
 #define PMf_MAYBE_CONST        0x00000200      /* replacement contains variables */
 
-#define PMf_USED        0x00000400     /* PMf_ONCE has matched successfully.
-                                           Not used under threading. */
+/* PMf_ONCE has matched successfully. Not used under threading. */
+#define PMf_USED        0x00000400
 
 #define PMf_CONST      0x00000800      /* subst replacement is constant */
 #define PMf_KEEP       0x00001000      /* keep 1st runtime pattern forever */
 #define PMf_GLOBAL     0x00002000      /* pattern had a g modifier */
 #define PMf_CONTINUE   0x00004000      /* don't reset pos() if //g fails */
 #define PMf_EVAL       0x00008000      /* evaluating replacement as expr */
-#define PMf_NONDESTRUCT        0x00010000      /* Return substituted string instead
-                                          of modifying it. */
+
+/* Return substituted string instead of modifying it. */
+#define PMf_NONDESTRUCT        0x00010000
 
 /* The following flags have exact equivalents in regcomp.h with the prefix RXf_
  * which are stored in the regexp->extflags member. If you change them here,