Macro with suffix

Macro with suffix

[nicola]

Hi,
I have read http://thread.gmane.org/gmane.comp.tex.context/3540, but why 
does the following

\appendtoks \let\#\hashletter \to \everyMPgraphic

\startuseMPgraphic{foo}
   vardef foo@\#(expr x) = enddef;
\stopuseMPgraphic

\startuseMPgraphic{goo}
\includeMPgraphic{foo}
foo.foo(1);
\stopuseMPgraphic

\starttext
\useMPgraphic{goo}
\stoptext

gives the error:

! Undefined control sequence.
<argument>  vardef foo@\#
                         (expr x) = enddef;
\handleuseMPgraphic #1#2#3->#3
                              
<argument>  \includeMPgraphic {foo}
                                    foo.foo(1);
\writecheckedMPgraphic ...icfalse \edef \ascii {#1
                                                  }\convertcommand 
\ascii \t...

\startMPgraphic ...hic \writecheckedMPgraphic {#1}
                                                  \stopwritingMPgraphic 
\handleuseMPgraphic ...MPgraphic #3\stopMPgraphic 
                                                  \ifMPrun \else 
\loadMPgrap...
...

Nicola

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Re: Macro with suffix

[Aditya Mahajan]

On Sun, 24 Jun 2007, nicola wrote:

> Hi,
> I have read http://thread.gmane.org/gmane.comp.tex.context/3540, but why
> does the following
>
> \appendtoks \let\#\hashletter \to \everyMPgraphic

This was a typo. It should have been \letterhash. However, you do not 
need to explicitly do this, since supp-mps alreay does this. So, just 
remove this line from your core and the rest will compile correctly.

Aditya
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