On 3/04/19 9:19 AM, Hans Hagen wrote: > On 4/2/2019 10:11 PM, Henri Menke wrote: >> >> >> On 2/04/19 10:05 PM, Hans Hagen wrote: >>> Hi, >>> >>> So, for those who hesitate to check out lmtx, here is some information. >>> >>> - In order to achieve long term stability context will use a lean and >>> mean variant of luatex (although for now context will keep running on >>> luatex too; i might drop support for luajittex). Eventually the source >>> code will be part of the context distribution so that one can always >>> compile a binary that matches an archived context version. >>> >>> - This version also permits us to experiment (even very extreme) without >>> interupting the parent program luatex, which is now used by other macro >>> packages too and therefore needs to be frozen in functionality. Some >>> features might trickle back into luatex eventually (unless it breaks >>> compatibility). >>> >>> - As a direct effect it means that context does a bit more: creating the >>> pdf file (already most is done anyway in mkiv), dealing with font >>> embedding, handling image inclusion, etc. For sure there can be issues >>> with that but it has run on my machine already for quite a while. >>> >>> - It is hard to be conclusive about performance but for instance the >>> luatex manual processes a bit faster with lmtx as does the test suite. A >>> gain in performance on very demanding documents is also observed by Alan >>> and Thomas. Normally one can expect a similar performance. However, the >>> memory footprint could be a bit smaller. >>> >>> - The current somewhat hybrid codebase of context will stepwise be >>> adapted so that at some point we can start experimenting with some >>> pending ideas. (Which is why i sometimes answer "later this year".) >> >> Where can I find the C sources for the luametatex engine? > nowhere ... as i mentioned these will become part of the context > distribution around the ctx meeting (when we also have the compile > infrastructure ready)
Hm. But luatex is released under GPLv2 and I reckon luametatex is based on luatex, i.e. it is a derived work which means that you legally *have* to publish the source. > > what we offer now is an experimental test release > > Hans > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl > ----------------------------------------------------------------- > ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
