rem: _hr_csgen(precision), _hr_firstsubr(-1), _max_flex_height(0)
add: _hr_csgen(precision), _hr_firstsubr(-1), _max_flex_height(0), _flex_message(0), _cur_glyph(-1)
context: MakeType1CharstringInterp::MakeType1CharstringInterp(EfontProgram *program, int precision)    : CharstringInterp(program), _csgen(precision), _errh(0),      _hr_csgen(precision), _hr_firstsubr(-1), _max_flex_height(0){}