+ /*
+ * If we're not at the beginning of the line, add a command and
+ * either a space or a newline.
+ */
+
+ if (column != prefixlen) {
+ if (len + column + 2 > OUTPUTLINELEN) {
+
+ if ((size_t) (prefixlen + 3) < tmpbufsize)
+ tmpbuf = mh_xrealloc(tmpbuf, tmpbufsize = prefixlen + 3);
+
+ snprintf(tmpbuf, tmpbufsize, ",\n%*s", column = prefixlen, "");
+ output = add(tmpbuf, output);
+ } else {
+ output = add(", ", output);
+ column += 2;
+ }
+ }
+
+ /*
+ * Finally add the address
+ */
+
+ output = add(cp, output);
+ column += len;
+ free(cp);
+ cp = NULL;
+
+ /*
+ * If we were in a group but are no longer, make sure we add a
+ * trailing semicolon.
+ */
+
+ if (groupflag && ! mn->m_ingrp) {
+ output = add(";", output);
+ }
+
+ groupflag = mn->m_ingrp;