[Therion] th_formdef.tex runaway text error - LuaTeX

[Martin Budaj]

Hi,

the problem with images should be fixed now.

Best wishes
Martin

On Wed, Sep 2, 2026 at 10:41 AM <bruce at tomo.co.nz> wrote:

> Thanks martin, that makes sense.
>
> I thought I had a recent snapshot, but not recent enough.
>
> I installed Therion 67248d35 and set it up for Luatex.  It compiled a
> small test project, but fails to render the png background sketches and
> reports this warning.
>
>
>
> *C:\Program Files\Therion\therion.exe: warning -- unable to read
> D:/CaveSurvey/th_Canaan/150Tomo/./ptopo/1-
> 50TomoPlanSketch-300-02of02-transparent.png -- Magick:
> NoDecodeDelegateForThisImageFormat
> `D:/CaveSurvey/th_Canaan/150Tomo/./ptopo/1-50TomoPlanSketch-300-02of02-transparent.png'
> @ error/constitute.c/ReadImage/739*
>
>
>
> Reverting my therion.ini and application back to Therion d6d9a18f all is
> well again.
>
>
>
> So for now I will pause my luatex adventure until the recent round of
> Therion edits settles down.  Since the string “decode” turns up in my error
> and features in recent commits, I expect they are the culprit.
>
>
>
> Should I create an issue on github, or will this message be sufficient to
> prompt another look at decode?
>
>
>
> Bruce
>
>
>
>
>
> *From:* Therion <therion-bounces at speleo.sk> *On Behalf Of *Martin Budaj
> *Sent:* Wednesday, 2 September 2026 17:27
> *To:* List for Therion users <therion at speleo.sk>
> *Subject:* Re: [Therion] th_formdef.tex runaway text error - LuaTeX
>
>
>
> Oh, I meant a recent snapshot of Therion, sorry for the confusion. LuaTeX
> is now included in the windows installer.
>
>
>
> M.
>
>
>
> On Tue, Sep 1, 2026, 22:12 <bruce at tomo.co.nz> wrote:
>
> Thanks Martin
>
> I’ll need some more hand holding.
>
> I can find https://github.com/lualatex which gives many variations that I
> cannot make sense of, and https://gitlab.lisn.upsaclay.fr/texlive/luatex
> which looks like it has a definitive install, but it is not github.
>
> Is it one of these?
>
>  Bruce
>
>
>
> *From:* Therion <therion-bounces at speleo.sk> *On Behalf Of *Martin Budaj
> *Sent:* Wednesday, 2 September 2026 06:51
> *To:* List for Therion users <therion at speleo.sk>
> *Subject:* Re: [Therion] th_formdef.tex runaway text error - LuaTeX
>
>
>
> Hi Bruce,
>
>
>
> you need
>
> - a recent development snapshot from github
>
> - to specify the full path to luatex.exe, like pdftex-path "C:/Program
> files/Therion/bin/windows/luatex.exe"
>
>
>
> M.
>
>
>
> On Sun, Aug 30, 2026 at 11:11 AM <bruce at tomo.co.nz> wrote:
>
> From my query two weeks ago, and Martin’s suggestion I try LuaTeX…
>
> I’ve edited *C:\Program Files\Therion\therion.ini* to include…
> pdftex-path  "luatex"
>
>
>
> I’m missing something:
>
> Running my thconfig with Mapiah, I get a log file that ends with…
>
>
>
> *making map ... done*
>
> *'luatex' is not recognized as an internal or external command, operable
> program or batch file.*
>
> *C:\Program Files\Therion\therion.exe: error --Press ENTER to exit! pdftex
> exit code – 1*
>
>
>
> Running my thconfig with XTherion, there is no mention of Luatex.  I get a
> log file that ends with…
>
>
>
> *##################### end of pdftex log file #####################*
>
> *C:\Program Files\Therion\therion.exe: error -- pdftex exit code -- 1*
>
> *writing xtherion file ... done*
>
>
>
> I checked my %APPDATA%\ folders, and the only Therion related ini in there
> is Loch.ini
>
> Any ideas?
>
> Bruce
>
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