src/Doc/Intro/document/build

Tidying up another of the nominal examples

#!/usr/bin/env bash

set -e

$ISABELLE_LUALATEX root

if [ -f manual.bib -o -f root.bib ]
then
  $ISABELLE_BIBTEX root
  $ISABELLE_LUALATEX root
fi

$ISABELLE_LUALATEX root

if [ -f root.idx ]
then
  "$ISABELLE_HOME/src/Doc/sedindex" root
  $ISABELLE_LUALATEX root
fi