0 400   0   rem remark and comment bug
 0 400   0   
 0 400   0   findstr /c:"rem this" "file"
 0 400   0   findstr /c:":: this" "file"
 0 400   0   
 0 400   0   :: SingleQuoted command string
 0 400   0   for /f %%A in ('rem this') do echo %%A
 0 400   0   
 0 400   0   :: DoubleQuoted string
 0 400   0   for /f %%A in ("rem this") do echo %%A
 0 400   0   
 0 400   0   :: BackQuote command string
 0 400   0   for /f "usebackq" %%A in (`rem this`) do echo %%A
 0 400   0