wp = NULL;
for (w = words; w; w = w->next) {
- if (isattr(w->type)) {
- int before = (wp && isattr(wp->type) &&
- sameattr(wp->type, w->type));
- int after = (w->next && isattr(w->next->type) &&
- sameattr(w->next->type, w->type));
- w->aux |= (before ?
- (after ? attr_Always : attr_Last) :
- (after ? attr_First : attr_Only));
+ int both;
+ if (!isvis(w->type))
+ /* Invisible elements should not affect this calculation */
+ continue;
+ both = (isattr(w->type) &&
+ wp && isattr(wp->type) &&
+ sameattr(wp->type, w->type));
+ w->aux |= both ? attr_Always : attr_First;
+ if (wp && !both) {
+ /* If previous considered word turns out to have been
+ * the end of a run, tidy it up. */
+ int wp_attr = attraux(wp->aux);
+ wp->aux = (wp->aux & ~attr_mask) |
+ ((wp_attr == attr_Always) ? attr_Last
+ /* attr_First */ : attr_Only);
}
wp = w;
}
+
+ /* Tidy up last word touched */
+ if (wp) {
+ int wp_attr = attraux(wp->aux);
+ wp->aux = (wp->aux & ~attr_mask) |
+ ((wp_attr == attr_Always) ? attr_Last
+ /* attr_First */ : attr_Only);
+ }
}
/*