[tex-live] mptopdf alters source file

[Taco Hoekwater]

Werner LEMBERG wrote:
>> The default behavior of mptopdf is to run texexec --mptex because
>> the input is assumed to be for inclusion in a ConTeXt document (it
>> is a context tool, after all).
>>
>> * If you want 'plain metapost', use mptopdf --rawmp.
>> * If you need latex labels, run mptopdf --latex
>> * If you have generated images already, run mptopdf on the mp
>>   output.
> 
> But why does it rewrite the source?  Regardless of the target macro

Just to be clear: it is texexec that does the rewriting, not mptopdf.

As to why texexec does so, that should be answered by Hans.

Best wishes,
Taco