#!/bin/bash

base_name=`basename $1 .html`

sed -e 's/<[Hh]0/<h1/g' \
    -e 's/<\\[Hh]0/<\\h1/g' \
    -e 's/<!--.*-->//g' \
    -e 's?</*x>??g' \
    $1 > $$.html

tidy -asxml -utf8 -o $$.xhtml $$.html

sed -e 's?<html.*>?<html xmlns=\"http://www.w3.org/1999/xhtml\" >?' \
    -e 's/&nbsp;/ /g' \
    $$.xhtml > ${base_name}.xhtml

rm $$.xhtml $$.html