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diff --git a/doc/context/presentations/context/2019/context-2019-lmtx.tex b/doc/context/presentations/context/2019/context-2019-lmtx.tex new file mode 100644 index 000000000..62dd915ad --- /dev/null +++ b/doc/context/presentations/context/2019/context-2019-lmtx.tex @@ -0,0 +1,201 @@ +% macros=mkvi + +\usemodule[abbreviations-smallcaps] +\usemodule[present-luatex] + +\logo [LUAMETATEX] {LuaMeta\TeX} + +\setupbodyfont[12pt] + +\setupalign[verytolerant] + +\setupdocument + [title={Lean and mean}, + subtitle={\LUAMETATEX}, + location={\ConTeXt\ meeting, September 2019}, + author={Hans & Alan}, + mp:title={\LUAMETATEX}] + +\startdocument + +\setupitemize[headintext] +\setupitemize[headstyle=bold] + +\page \setupdocument[mp:subtitle={How it became}] + +\startitemize + \starthead {interferences:} + \CONTEXT, plain \TEX\ and \LATEX\ all have different demands (we want to + experiment and move on and users pick up fast) + \stophead + \starthead {complexity:} + the source tree is way too complex as is the build (we only need \LUATEX) + \stophead + \starthead {distributions:} + no one can guarantee stability for \CONTEXT\ (being a minor player but + often a bit ahead) + \stophead + \starthead {annoyances:} + experimental codes leads to usage outside \CONTEXT\ and that triggers + complaints + \stophead + \starthead {motivation:} + running into folks who love to stress \quotation {huge bugs} and + \quotation {much instability} wastes energy + \stophead + \starthead {arguments:} + I got tired of \quotation {you need to support this because \unknown} + blabla + \stophead + \starthead {nagging:} + like \quotation {the manual \unknown} is becoming too tiresome, so best + keep experiments within the \CONTEXT\ bubble + \stophead +\stopitemize + +\page \setupdocument[mp:subtitle={What it is}] + +\startitemize + \starthead {simplification:} + we don't need all what is currently in the \LUATEX\ engine as we don't + use it + \stophead + \starthead {source:} + there is much less of it and we can get rid of \WEB\ artifacts + \stophead + \starthead {compilation:} + there was much more going on than was needed and only a few knew those + details + \stophead + \starthead {consistency:} + to guarantee consistency with \CONTEXT\ the source code will be part of + the source distribution (once I'm satisfied) + \stophead + \starthead {marketing:} + this way the relation with \CONTEXT\ and its user base is more clear + \stophead + \starthead {playground:} + we can move forward and experiment without the danger of running into + problems with non \CONTEXT\ users: \quotation {use it at your own risk} + \stophead + \starthead {possibilities:} + playing a bit more with the bits and pieces that are reponsible for most + (interfering) issues, like the the (asynchronous) page builder + \stophead +\stopitemize + +\page \setupdocument[mp:subtitle={Implications}] + +\startitemize + \starthead {binary:} + there is only one relatively small binary needed (that does all things + needed) + \stophead + \starthead {code base:} + there comes an extra source tree, but it's small (compresses to around 2 + MB) + \stophead + \starthead {user control:} + if needed users can compile the program so we're self contained + \stophead + \starthead {future safe:} + we can move forward and improve + \stophead + \starthead {modern:} + a code base with the latest \LUATEX, \MPLIB\ and \LUA + \stopitem + \starthead {side effect:} + we drop \LUAJIT\ as it doesn't keep up (and benefits are too small) + \stophead + \starthead {design:} + we have a better separation between the Knuthian front- and output format + driven backend + \stophead + \starthead {independent:} + there is no dependency on external libraries, we keep all we need in the + code base (we only use a few small third party libraries) + \stophead +\stopitemize + +\page \setupdocument[mp:subtitle={A few notes}] + +\startitemize + \starthead {hobyism} + we don't need to carry the burden of everything (unless paid for it's + only fun and users that drives development) + \stophead + \starthead {convenience:} + the faster compilation makes reworking and experimenting reasonable + \stophead + \starthead {stepwise:} + I take my time an do string stepswise because things should not break + without fast recovery + \stophead + \starthead {feelgood:} + this all fits well into the good old \TEX\ extension model + \stophead + \starthead {eventually:} + when proven useful we can always push code upstream into \LUATEX + \stophead +\stopitemize + +\page \setupdocument[mp:subtitle={Bits and pieces}] + +\startitemize + \starthead {original:} + the starting point is \LUATEX, original \WEB\ code, already \CWEB\ code + \stophead + \starthead {stability:} + after a initial stage \LUATEX\ was stepwise extended till version one + a few years ago + \stophead + \starthead {frozen:} + there were only a few changes after that but no real conceptual ones + \stophead + \starthead {engine:} + what is now called \LUAMETATEX\ is a reworked code base + \stophead + \starthead {graphics:} + also \MPLIB\ has been reworked a bit and some extensions were added + \stophead + \starthead {libraries:} + there are a few extra (small) helper libs, but all in the source tree + \stophead + \starthead {pplib:} + we already use the next version of pplib + \stophead + \starthead {pruning:} + and best of all, quite some not used code could go + \stophead +\stopitemize + +\page \setupdocument[mp:subtitle={Some details}] + +\startitemize + \starthead {source tree:} + the code base has been regrouped, globals became more local (work in + progress), header files were added + \stophead + \starthead {source files:} + there is hardly any font related code, languages were kept, and the + backend code is dropped: show files + \stophead + \starthead {libraries:} + a few libs were added and dropped: show some + \stophead + \starthead {cmake:} + compilation is different: work in progress + \stophead + \starthead {mkxl:} + there are new files in \CONTEXT: \type {driv}, \type {lpdf}, \type {.mkxl} + and expect more + \stophead + \starthead {binary:} + there is only one stub for all + \stophead +\stopitemize + +{\infofont during presentation: show the source tree as well as the binary directory} + +\stopdocument + |