[metapost] Problem with defaultscale

[John Kitzmiller]

----- Original Message ----- 
From: "Taco Hoekwater" <taco at elvenkind.com>
Subject: Re: [metapost] Problem with defaultscale


> But the good news is that scaling a btex ... etex label
> is really simple also:
> 
>    label(btex Hallo $\sum$ etex scaled 6, origin);


Doh! I will crawl back into my hole now.


But what about making changes within btex ... etex?

Any help with why:

label(btex \sffamily Hallo etex, origin);

works when:

label(btex \large Hallo etex, origin);

does not?
(No file mpx314.aux.
 !Undefined control sequence.)

(Apologies for usurping the thread.)