I found the problem : it came from @currenv, that is in fact @currenvir. After last modifications <https://github.com/jperon/lyluatex/commit/53ed227b4857b19d95598f1d25100e508c685c3c>, I think lyluatex should work as a drop-in replacement for lilypond-book, while keeping backward compatibility for those who already used lyluatex.
Please feel free to test and report bugs <https://github.com/jperon/lyluatex/issues> ! 2017-11-19 20:54 GMT+01:00 Abbé Jacques Peron <abbe.jacques.pe...@gmail.com> : > Just tried that, and it doesn’t work : > > \let\lilypond@envcode\lilypond > \protected\def\lilypond{\def\reserved@a{lilypond}% > \ifx\reserved@a\@currenv \expandafter\lilypond@envcode > \else \expandafter \lily \fi} > > I think it has something to do with \expandafter, but I don’t know TeX > enough to be sure… > > > > 2017-11-19 20:39 GMT+01:00 Abbé Jacques Peron < > abbe.jacques.pe...@gmail.com>: > >> Neither are called lilypond. It's not particularly great, but there are >>>> examples for the sharing of command and environment. Basically you >>>> check whether @currenvir is set to LilyPond. As long as you don't >>>> _nest_ those constructs... >>>> >>>> The environment is defined as `ly`, but there is a `lilypond` alias. So >> `\begin{lilypond}` just works. >> >> Basically: >>>> >>>> \newenvironment{lilypond} >>>> {...} >>>> {...} >>>> >>>> \newcommand{\lilypondcommand}{...} >>>> >>>> \let\lilypond@envcode\lilypond >>>> \protected\def\lilypond{\def\reserved@a{lilypond}% >>>> \ifx\reserved@a\@currenv \expandafter\lilypond@envcode >>>> \else \expandafter \lilypondcommand \fi} >>>> >>>> Ugly, sure. But I think LilyPond upstream would be sympathetic to >>>> making command and environment named differently in the long run. >>>> >>>> >> I'm going to try it just now. >> >> I don’t know enough about (La?)TeX internals to understand the code above >>> but if you redefined the command \lilypond, would things like the following >>> still be possible? >>> >>> \newenvironment{dly}{ >>> \center >>> \ly >>> \language "deutsch" >>> >>> \paper { >>> ##(define fonts >>> (set-global-fonts >>> ##:music "cadence" >>> ##:brace "cadence" >>> ##:roman "Vollkorn" >>> ##:factor (/ staff-height pt 20))) >>> } >>> >>> \layout { >>> % some other general things >>> } >>> >>> % some includes and function definitions >>> }{\endly\endcenter} >> >> >> As you are using `\ly`, as soon as I don't modify it, it'll work. >> > >
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