$optRawInput  0
$escmode      0
'here is a \ '              -> here is a \ 
'here is a \\ '             -> here is a \ 
'here is a \\\ '            -> here is a \\ 
'here is a \\\\ '           -> here is a \\ 
'here is a  '          -> here is a 
'here is a \ '         -> here is a 
'here is a \\ '        -> here is a \
'here is a \\\ '       -> here is a \
'here is a \\\\ '      -> here is a \\
'here is a \ '        -> here is a 
'here is a \\ '      -> here is a \
'here is a \\\ '    -> here is a \
'here is a \\\\ '  -> here is a \\
$optRawInput  1
$escmode      0
'here is a \ '              -> here is a \ 
'here is a \\ '             -> here is a \ 
'here is a \\\ '            -> here is a \\ 
'here is a \\\\ '           -> here is a \\ 
'here is a  '          -> here is a 
'here is a \ '         -> here is a \
'here is a \\ '        -> here is a \
'here is a \\\ '       -> here is a \\
'here is a \\\\ '      -> here is a \\
'here is a \ '        -> here is a \
'here is a \\ '      -> here is a \
'here is a \\\ '    -> here is a \\
'here is a \\\\ '  -> here is a \\
$optRawInput  0
$escmode      1
'here is a \ '              -> here is a  
'here is a \\ '             -> here is a  
'here is a \\\ '            -> here is a \ 
'here is a \\\\ '           -> here is a \ 
'here is a  '          -> here is a 
'here is a \ '         -> here is a <tag>
'here is a \\ '        -> here is a  '       -> here is a  '      -> here is a \<tag>
'here is a \ '        -> here is a <tag>
'here is a \\ '      -> here is a 
'here is a \\\ '    -> here is a  '  -> here is a \<tag\>
$optRawInput  1
$escmode      1
'here is a \ '              -> here is a  
'here is a \\ '             -> here is a  
'here is a \\\ '            -> here is a \ 
'here is a \\\\ '           -> here is a \ 
'here is a  '          -> here is a <tag>
'here is a \ '         -> here is a  '        -> here is a  '       -> here is a \<tag>
'here is a \\\\ '      -> here is a \<tag>
'here is a \ '        -> here is a 
'here is a \\ '      -> here is a 
'here is a \\\ '    -> here is a \<tag\>
'here is a \\\\ '  -> here is a \<tag\>