1890: todo:
1891: | TODO STRING SEMI { `AST_nop (rstoken $1 $3, snd $2) }
1892: | TODO SEMI { `AST_nop (rstoken $1 $2, "") }
1893:
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.