lmtx update

[Hans Hagen via ntg-context <ntg-context@ntg.nl>]

Hi,

Here are the highlights of todays update:

- somewhat more compact tuc files, not for all documents, but it can 
accumulate; also less memory used then; i could bring down an extreme 
2000 page 5 column doc tuc file down to 5% -- it was 70 MB; for the 
luametatex manual it reducec the tuc more than 30%; hard to tell if 
there will be an associated performance hit, but i'm sure thomas will 
complain if that's the case

- more mp-tex-lua interfacing upgraded plus extra preliminary chapter 
for luametafun about extensions - for taco

- a slightly more compact cache files for fonts with many (pseudo) 
ligatures; hopefully no side effects (nothing that can't be fixed fast 
if noted); quite probably no performance hit and maybe even some room 
for optimization (not done yet)

- a split in the cache directory for luametatex so that we can more 
easilly experiment without interference (so, although the above works in 
mkiv it's not enabled there currently)

- some minor things (also in the process of splitting the codebase)

- no real changes in / additions to the luametatex binary (we're in 
cosmetics mode now)

Hans

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                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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