#!/bin/sh

cat - \
    | sed 's|\[--\(.*unsupported.*\)--\]$|## Attachment:\1|g' \
    | egrep -v '\[-- Attachment #1 --\]$' \
    | egrep -v '\[-- Type.* --\]$' \
    | fgrep -v "WARNING: We have NO indication" \
    | cat -s