Make the here doc translation tests more realistic.

test/osh2oil.sh

@@ -303,11 +303,11 @@ here-doc() {
  # DQ context
  osh0-oil3 << 'OSH' 3<< 'OIL'
  cat <<ONE
echo $hi
echo $hi ${varsub} $((1 + 2)) $(echo comsub)
ONE
OSH
  cat << """
echo $hi
echo $hi $(varsub) $(1 + 2) $[echo comsub]
"""
OIL

@@ -325,13 +325,13 @@ OIL
  # <<- in DQ context
  osh0-oil3 << 'OSH' 3<< 'OIL'
	cat <<-ONE
	indented
	body
	indented ${varsub} $((1 + 2))
	body $(echo comsub)
	ONE
OSH
	cat << """
indented
body
indented $(varsub) $(1 + 2)
body $[echo comsub]
"""
OIL

tools/osh2oil.py

@@ -290,7 +290,12 @@ def DoRedirect(self, node, local_symbols):

      #self.cursor.SkipUntil(here_begin_spid + 1)

      # Now print the lines
      # Now print the lines.  TODO: Have a flag to indent these to the level of
      # the owning command, e.g.
      #   cat <<EOF
      # EOF
      # Or since most here docs are the top level, you could just have a hack
      # for a fixed indent?  TODO: Look at real use cases.
      for part in node.stdin_parts:
        self.DoWordPart(part, local_symbols)