[metapost] problem with DVItoMP

[Taco Hoekwater]

Liunian wrote:
> hi,
>    I am a new fish of metapost. When i use "label" command with "btex ... etx",
>    such as:     
>            glabel.bot(btex time etex ,OUT);
> 
>    an error occurred with a message:
> 
>          makempx: Command failed: dvitomp mpxerr.dvi start_w_l.mpx
> 
>          >> start_w_l.mp
>          >> start_w_l.mpx
>          ! Unable to make mpx file.
>          l.42     label.bot(btex
>                            time  etex ,OUT);
> 
>   I have check the file mpxerr.dvi, it can show the word "time" correctly.

Please run the command

   dvitomp mpxerr.dvi start_w_l.mpx

by hand. That will bring up the actual error message from dvitomp,
and hopefully will give a better clue of what is wrong.

Best wishes,
Taco