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diff --git a/doc/context/sources/general/manuals/languages/languages-labels.tex b/doc/context/sources/general/manuals/languages/languages-labels.tex deleted file mode 100644 index 6c806ab1c..000000000 --- a/doc/context/sources/general/manuals/languages/languages-labels.tex +++ /dev/null @@ -1,141 +0,0 @@ -% language=uk - -\startcomponent languages-labels - -\environment languages-environment - -\startchapter[title=Labels][color=darkcyan] - -\startsection[title=Introduction] - -When we started using \TEX, I naturally started with plain \TEX. But it didn't -take long before we tried \LATEX. Because our documents were in Dutch one of the -first fights with this package was to get rid of the english labels. Because -rather soon we decided to cook up an alternative package, a decent label -mechanism was one of the first things to show up. And as soon as multiple -language typesetting gets into view, such a mechanism becomes one of those -language dependent features. In this chapter the basics will be covered. - -\stopsection - -\startsection[title=Defining labels] - -Before we define a label we need to define a label class. You probably seldom -need that but this is how it's done: - -\startbuffer -\definelabelclass [mylabel] -\stopbuffer - -\typebuffer \getbuffer - -There are some classes predefined: - -\starttabulate[|lB|l|] - \NC head \NC (complete) titles like \headtext {chapter} and \headtext {figure} \NC \NR - \NC label \NC in||text labels like \labeltext {chapter} and \labeltext {figure} \NC \NR - \NC mathlabel \NC function names like \mathlabeltext{sin} and \mathlabeltext{cos} \NC \NR - \NC taglabel \NC labels used for tagging purposed in the backend \NC \NR - \NC btxlabel \NC labels used in typesetting bibliographic items \NC \NR -\stoptabulate - -The physical units mechanism also uses labels: unit, operator, prefix and suffix. -All these labels are defined per language with a fall back on english. - -Given that we have defined class \type {mylabel}, a label itself is set like -this: - -\startbuffer -\setupmylabeltext - [en] - [first={<after first}, - second={{before second>},{<after second}}] -\stopbuffer - -\typebuffer \getbuffer - -The first argument (the language) is optional. In the next section we will see -how these labels are used. A lot of labels are predefined, in \MKIV\ this happens -in the file \type {lang-txt.lua}. There is no need to adapt this file as you can -always add labels run time. - -\stopsection - -\startsection[title=Using labels] - -How a label is called depends on the way it needs to be used. In any case the -main language set determines the language of the label. So, when in an Dutch text -we temporary switch to German, the Dutch labels are used. - -\startbuffer -\starttabulate[||||] - \NC \bf command \NC \ttbf first \NC \ttbf {second} \NC \NR - \HL - \NC \type {\leftmylabeltext {tag}} \NC \leftmylabeltext {first} \NC \leftmylabeltext {second} \NC \NR - \NC \type {\rightmylabeltext{tag}} \NC \rightmylabeltext{first} \NC \rightmylabeltext{second} \NC \NR - \NC \type {\mylabeltext {tag}} \NC \mylabeltext {first} \NC \mylabeltext {second} \NC \NR - \NC \type {\mylabeltexts {tag}{text}} \NC \mylabeltexts {first}{text} \NC \mylabeltexts {second}{text} \NC \NR -\stoptabulate -\stopbuffer - -\getbuffer - -\stopsection - -\startsection[title=Hooks] - -Some mechanisms have label support built in, most noticeably sections -heads and numbered items, like figure captions. - -\startbuffer -\definehead - [myhead] - [subsection] - -\setuphead - [myhead] - [bodypartlabel=bodypartmyhead] - -\setuplabeltext - [en] - [bodypartmyhead=My Head: ] - -\myhead{Welcome} -\stopbuffer - -\typebuffer \getbuffer - -The head text label class can be used as follows: - -\startbuffer -\setupheadtext - [SomeHead=Just A Title] - -\subsection - [title=\headtext{SomeHead}] -\stopbuffer - -\typebuffer \getbuffer - -A label will obey the style settings, as in: - -\startbuffer -\definehead - [MyFancyHead] - [subsection] - [style={\bs\setcharactercasing[Words]}] - -\setupheadtext - [SomeHead=just another title] - -\MyFancyHead - [title=\headtext{SomeHead}] -\stopbuffer - -\typebuffer \getbuffer - -\stopsection - -\stopchapter - -\stopcomponent |