diff options
Diffstat (limited to 'macros/luatex/optex/prefixed.opm')
-rw-r--r-- | macros/luatex/optex/prefixed.opm | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/macros/luatex/optex/prefixed.opm b/macros/luatex/optex/prefixed.opm index c545c29f1a..06c46ee65d 100644 --- a/macros/luatex/optex/prefixed.opm +++ b/macros/luatex/optex/prefixed.opm @@ -2,10 +2,12 @@ \_codedecl \public {Prefixing and code syntax <2020-02-14>} -% all TeX82 primitives have alternative control sequence \_hbox \_string, ... -\let\_directlua = \directlua + \_doc --------- + All TeX82 primitives have alternative control sequence \_hbox \_string, ... + \_cod --------- +\let\_directlua = \directlua \_directlua { % enable all TeX primitives with _ prefix tex.enableprimitives('_', tex.extraprimitives('tex')) @@ -15,6 +17,19 @@ tex.enableprimitives('_', tex.extraprimitives()) } + \_doc ------------------ + `\public <sequence> <sequence> ... ;` does + `\let \<sequence> = \_<sequence>` for all sequences. + + `\private <sequence> <sequence> ...;` does + `\let \_<sequence> = \<sequence>` for all sequences. + + The auxiliary macro `\xargs <what> <sequece> <sequence> ... ;` + does `<what><sequence>` for each sequences. + + `\_ea` is useful shotcut for `\expandafter`. + \_cod ----------------- + \_let\_ea =\_expandafter % usefull shortcut \_long\_def \_xargs #1#2{\_ifx #2;\_else \_ea#1\_ea#2\_ea\_xargs \_ea #1\_fi} @@ -25,6 +40,13 @@ \_def \_private {\_xargs \_privateA} \_def \_privateA #1{\_ea\_let \_csname _\_csstring #1\_endcsname =#1} + \_doc ----------------------- + Each `.opm` file should begin with `\_codedecl \macro {<info>}`. + If `\macro` is defined already then the `\endpinput` protects to read + such file more than one times. Else the <info> is printed to terminal + and file is read. + \_cod \_fin ------------------ + \_def \_codedecl #1#2{% \_ifx #1\_undefined \_wterm{#2}% \_else \_expandafter \_endinput \_fi @@ -32,6 +54,7 @@ \_def \_wterm {\_immediate \_write16 } \_public \public \private \xargs \ea \wterm ; +\_private \optexversion ; \_endcode %---------------------------------------------------- |