5.16.5.20. Place Holder

Start data section to src/flx_parse.mly[26 /33 ] Next Prev First Last
  1890: todo:
  1891:   | TODO STRING SEMI        { `AST_nop (rstoken $1 $3, snd $2) }
  1892:   | TODO SEMI               { `AST_nop (rstoken $1 $2, "") }
  1893: 
End data section to src/flx_parse.mly[26]
The placed holder is used to denote an incomplete section of code. A string may be included after the 'todo' keyword to serve as a reminder of the programmers intentions.