tag="$(POST tag_$n $m)"
[ ! "${tag##${cat}:*}" ] || [ ! "${tag##-${cat}:*}" ] || [ "$cat" = '*' -a "${tag##*:*}" ] \
&& f="${f}${tag}|"
+ [ "$cat" = \$ ] && f="${f}\$:${tag}|"
done
f="${f%[|^]}^"
done
-f="${f%^}"
+f="$(printf '%s' "$f" |sed -E 's;[~|^]+$;;; s;\|\^;^;g;')"
+#f="${f%^}"
REDIRECT "$(URL "${ITEM}")?o=${order}&f=${f}"