+ sitem = snew(struct stack_item);
+ sitem->fpos = wd.fpos;
+ sitem->type = stack_hyper;
+ /*
+ * Special cases: \W{}\i, \W{}\ii
+ */
+ if (t.type == tok_cmd &&
+ (t.cmd == c_i || t.cmd == c_ii)) {
+ if (indexing) {
+ error(err_nestedindex, &t.pos);
+ } else {
+ /* Add an index-reference word with no
+ * text as yet */
+ wd.type = word_IndexRef;
+ wd.text = NULL;
+ wd.alt = NULL;
+ wd.aux = 0;
+ wd.breaks = FALSE;
+ indexword = addword(wd, &whptr);
+ /* Set up a rdstring to read the
+ * index text */
+ indexstr = nullrs;
+ /* Flags so that we do the Right
+ * Things with text */
+ index_visible = (type != c_I);
+ index_downcase = (type == c_ii);
+ indexing = TRUE;
+ idxwordlist = NULL;
+ idximplicit = &idxwordlist;
+
+ sitem->type |= stack_idx;
+ }
+ dtor(t), t = get_token(in);
+ }