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Thomas A. Schmitz

9 Mar 2021 9 Mar '21

9:37 p.m.

Hi Hans, I've found a very interesting bug in lmtx. The following MWE gives the expected result in mkiv; in lmtx, one character is missing. Perhaps you can figure out what's happening... All best Thomas \setupbodyfont [gentium, 12pt] \starttext Test \hskip1em ἀβ Test \hskip1em ἁβ \stoptext

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Wolfgang Schuster

9 Mar 9 Mar

9:43 p.m.

Thomas A. Schmitz schrieb am 09.03.2021 um 21:37:

Hi Hans,

I've found a very interesting bug in lmtx. The following MWE gives the expected result in mkiv; in lmtx, one character is missing. Perhaps you can figure out what's happening...

All best

Thomas

\setupbodyfont [gentium, 12pt]

\starttext

Test \hskip1em ἀβ

Test \hskip1em\relax ἀβ Wolfgang

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Jano Kula

10:36 p.m.

Hi Thomas, On Tue, Mar 9, 2021 at 9:44 PM Wolfgang Schuster < wolfgang.schuster.lists@gmail.com> wrote:

Thomas A. Schmitz schrieb am 09.03.2021 um 21:37:

...
Test \hskip1em ἀβ

Test \hskip1em\relax ἀβ

This is likely the side effect of new implementation of glues in LMTX, where you can switch the order (\hskip 3pt minus 1pt plus 2pt) and do some other tricks. And there are more differences to *The TeXbook *as we know it, see luametatex.pdf. Jano

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Hans Hagen

10 Mar 10 Mar

5:30 p.m.

On 3/9/2021 10:36 PM, Jano Kula wrote:

Hi Thomas,

On Tue, Mar 9, 2021 at 9:44 PM Wolfgang Schuster mailto:wolfgang.schuster.lists@gmail.com> wrote:

Thomas A. Schmitz schrieb am 09.03.2021 um 21:37: > > Test \hskip1em ἀβ

Test \hskip1em\relax ἀβ

This is likely the side effect of new implementation of glues in LMTX, where you can switch the order (\hskip 3pt minus 1pt plus 2pt) and do some other tricks. And there are more differences to /The TeXbook /as we know it, see luametatex.pdf. indeed, but the disappearence is somewhat strange .. sode effect of utf (second byte is zero) .. fixed in next upload

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Hans Hagen
Jano Kula
Thomas A. Schmitz
Wolfgang Schuster