* \asciimode and MetaPost in LMTX result in “Isolated expression”
@ 2022-01-31 19:02 Marco Patzer via ntg-context
2022-03-12 14:35 ` Marco Patzer via ntg-context
0 siblings, 1 reply; 6+ messages in thread
From: Marco Patzer via ntg-context @ 2022-01-31 19:02 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Marco Patzer
Hi!
LMTX seems to have an issue with \asciimode and MetaPost:
\asciimode
\starttext
\startMPcode
fill unitsquare scaled 2cm;
\stopMPcode
\stoptext
Results in:
metafun > log > error: Isolated expression
metafun > log >
metapost > trace > <error> .dash.patterns
metapost > trace > <to be read again> vardef
metafun > log >
metafun > log > I couldn't find an '=' or ':=' after the expression that is shown above this
error message, so I guess I'll just ignore it and carry on.
metafun > log >
metapost > trace > <line 107> vardef dashpattern(text t) =
Marco
ConTeXt ver: 2022.01.21 20:13 LMTX fmt: 2022.1.21
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* Re: \asciimode and MetaPost in LMTX result in “Isolated expression”
2022-01-31 19:02 \asciimode and MetaPost in LMTX result in “Isolated expression” Marco Patzer via ntg-context
@ 2022-03-12 14:35 ` Marco Patzer via ntg-context
2022-03-12 14:51 ` Hans Hagen via ntg-context
0 siblings, 1 reply; 6+ messages in thread
From: Marco Patzer via ntg-context @ 2022-03-12 14:35 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Marco Patzer
On Mon, 31 Jan 2022 20:02:42 +0100
Marco Patzer via ntg-context <ntg-context@ntg.nl> wrote:
> LMTX seems to have an issue with \asciimode and MetaPost:
>
> \asciimode
> \starttext
> \startMPcode
> fill unitsquare scaled 2cm;
> \stopMPcode
> \stoptext
>
> Results in:
>
> metafun > log > error: Isolated expression
This is still an issue with today's ver: 2022.03.12 11:27 LMTX.
Marco
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* Re: \asciimode and MetaPost in LMTX result in “Isolated expression”
2022-03-12 14:35 ` Marco Patzer via ntg-context
@ 2022-03-12 14:51 ` Hans Hagen via ntg-context
2022-03-12 17:08 ` Marco Patzer via ntg-context
0 siblings, 1 reply; 6+ messages in thread
From: Hans Hagen via ntg-context @ 2022-03-12 14:51 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Hans Hagen
On 3/12/2022 3:35 PM, Marco Patzer via ntg-context wrote:
> On Mon, 31 Jan 2022 20:02:42 +0100
> Marco Patzer via ntg-context <ntg-context@ntg.nl> wrote:
>
>> LMTX seems to have an issue with \asciimode and MetaPost:
>>
>> \asciimode
>> \starttext
>> \startMPcode
>> fill unitsquare scaled 2cm;
>> \stopMPcode
>> \stoptext
>>
>> Results in:
>>
>> metafun > log > error: Isolated expression
>
> This is still an issue with today's ver: 2022.03.12 11:27 LMTX.
that's because ascimode messes up some catcodes .. you can try this (in
cont-new.tex):
\prependtoks
\setcatcodetable\ctxcatcodes
\to \everyMPgraphic
and then do lots of tests with and without asciimode so see if this
doesn't interfere
Hans
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* Re: \asciimode and MetaPost in LMTX result in “Isolated expression”
2022-03-12 14:51 ` Hans Hagen via ntg-context
@ 2022-03-12 17:08 ` Marco Patzer via ntg-context
2022-03-12 21:27 ` Henning Hraban Ramm via ntg-context
0 siblings, 1 reply; 6+ messages in thread
From: Marco Patzer via ntg-context @ 2022-03-12 17:08 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Marco Patzer
On Sat, 12 Mar 2022 15:51:16 +0100
Hans Hagen <j.hagen@xs4all.nl> wrote:
> you can try this
> (in cont-new.tex):
>
> \prependtoks
> \setcatcodetable\ctxcatcodes
> \to \everyMPgraphic
>
> and then do lots of tests with and without asciimode so see if this
> doesn't interfere
I run almost every document with \asciimode, so I can surely test
that aspect, but I'm not using MetaPost a lot these days. I ran a
few projects and it seems to work fine. But that's not what I'd call
extensive testing.
I think compiling the MetaPost manual would be a good test. But on
my machine this fails even without the \ctxcatcode fix in place.
Maybe someone else with more MetaPost-heavy workflows¹ can test
this, too?
Marco
¹ Hraban? nudge, nudge…
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* Re: \asciimode and MetaPost in LMTX result in “Isolated expression”
2022-03-12 17:08 ` Marco Patzer via ntg-context
@ 2022-03-12 21:27 ` Henning Hraban Ramm via ntg-context
2022-03-13 7:30 ` Marco Patzer via ntg-context
0 siblings, 1 reply; 6+ messages in thread
From: Henning Hraban Ramm via ntg-context @ 2022-03-12 21:27 UTC (permalink / raw)
To: ntg-context; +Cc: Henning Hraban Ramm
Am 12.03.22 um 18:08 schrieb Marco Patzer via ntg-context:
> Maybe someone else with more MetaPost-heavy workflows¹ can test
> this, too?
>
> Marco
>
> ¹ Hraban? nudge, nudge…
My use of MetaPost is very simple, I still don’t understand much...
My current and most MP-heavy project so far, fails in asciimode with
"Extra }, or forgotten \endgroup"
No time to investigate why, ATM.
Hraban
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* Re: \asciimode and MetaPost in LMTX result in “Isolated expression”
2022-03-12 21:27 ` Henning Hraban Ramm via ntg-context
@ 2022-03-13 7:30 ` Marco Patzer via ntg-context
0 siblings, 0 replies; 6+ messages in thread
From: Marco Patzer via ntg-context @ 2022-03-13 7:30 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Marco Patzer
On Sat, 12 Mar 2022 22:27:38 +0100
Henning Hraban Ramm via ntg-context <ntg-context@ntg.nl> wrote:
> My current and most MP-heavy project so far, fails in asciimode with
> "Extra }, or forgotten \endgroup"
You can't just run “normal” projects with \asciimode. Chances are,
constructs are being used that are invalid in asciimode.
But as far as I understand, it should be sufficient running it
without asciimode just with the \ctxcatcodes snippet in place to
test if that breaks something.
> No time to investigate why, ATM.
No problem. Thanks for checking.
Marco
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2022-01-31 19:02 \asciimode and MetaPost in LMTX result in “Isolated expression” Marco Patzer via ntg-context
2022-03-12 14:35 ` Marco Patzer via ntg-context
2022-03-12 14:51 ` Hans Hagen via ntg-context
2022-03-12 17:08 ` Marco Patzer via ntg-context
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