word ('cat')
WHITE_SPACE (' ')
HEREDOC_MARKER_TAG ('<<')
HEREDOC_MARKER_START (''EOF'')
\n ('\n')
HEREDOC_CONTENT ('    echo ${counter}\n')
HEREDOC_MARKER_END ('EOF')
\n ('\n')
word ('cat')
WHITE_SPACE (' ')
HEREDOC_MARKER_TAG ('<<')
HEREDOC_MARKER_START ('EOF')
\n ('\n')
HEREDOC_CONTENT ('    echo ${counter}\n')
HEREDOC_MARKER_END ('EOF')
\n ('\n')
word ('cat')
WHITE_SPACE (' ')
HEREDOC_MARKER_TAG ('<<')
HEREDOC_MARKER_START ('EOF')
\n ('\n')
HEREDOC_CONTENT ('\$counter\n')
HEREDOC_MARKER_END ('EOF')
\n ('\n')
word ('cat')
WHITE_SPACE (' ')
HEREDOC_MARKER_TAG ('<<')
HEREDOC_MARKER_START ('EOF')
\n ('\n')
HEREDOC_CONTENT ('echo \$counter\n')
HEREDOC_MARKER_END ('EOF')
\n ('\n')
word ('cat')
WHITE_SPACE (' ')
HEREDOC_MARKER_TAG ('<<')
HEREDOC_MARKER_START ('EOF')
\n ('\n')
HEREDOC_CONTENT ('echo \\n')
HEREDOC_MARKER_END ('EOF')
