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diff --git a/Master/texmf-dist/doc/generic/expex/source/04_Ex.tex b/Master/texmf-dist/doc/generic/expex/source/04_Ex.tex deleted file mode 100644 index f2270cc1653..00000000000 --- a/Master/texmf-dist/doc/generic/expex/source/04_Ex.tex +++ /dev/null @@ -1,290 +0,0 @@ - -\section Examples without parts - -\lingset{dima=1.3em} -\noindent -\begininventory -\macros \idx{|\ex|}|~[]|, \idx{|\xe|}\endmc -\counter \idx{|\excnt|}\endmc -\parameters -\idx{|numoffset|\user} & \inc dimension& \textdim{0 pt}\cr -\idx{|textoffset|\user}& \inc dimension& \textdim{1 em}\cr -\idx{|aboveexskip|\user}& \inc skip& - 2.7\dimskip ex plus .4\dimskip ex minus .4\dimskip ex\cr -\idx{|belowexskip|\user}& \inc skip& - 2.7\dimskip ex plus .4\dimskip ex minus .4\dimskip ex\cr -\idx{|exskip|}& skip& (pseudo-parameter)\cr -\endinventory -% -Sections will usually begin with an inventory of the parameters and -user friendly macros and registers that are introduced in the section, -The initial settings of parameters will be given if they are relevant. -Pseudo parameters are set for their immediate effect, not to store a -setting associated with the parameter, so the initial setting of -pseudo parameters is not relevant. -|\ex~[]| above should be taken to mean that the macro -|\ex| will be described, that it is optionally modified by a -following diacritical tilde |~| (as described below), and that it -optionally takes an argument. The text will describe what -arguments are permitted. A $\dag$ supersript on a parameter in these -inventories indicates a parameter whose value is -accessible by the macro |\ling«key»|. A \inc\ prefix on ``dimension'' -or ``skip'' indicates that the parameter is incrementable, by a -dimension or a skip as the case may be. - -|\ex| constructions are terminated by |\xe|. The following -sample paragraph illustrates the use of |\ex| \dots|\xe|. The -convention in this manual is that text, {\it as it would appear in -a document}, is displayed in a framed box, usually with the code -immediately following or preceding. The code assumes that the -initial parameter settings are in effect at the point that the -code is executed. - -\framedisplay -\exdisplay -The following example is well-known from the literature on -parasitic gaps. Here we are concerned with example formatting, -not with the interesting syntax. -\ex -I wonder which article John filed {\sl t\/} without reading {\sl e}. -\xe -Various aspects of the format are controlled by parameters, which -can be set either globally or via an optional argument. -\xe -\endframedisplay -\codedisplay~ -The following example is well-known from the literature on -parasitic gaps. Here we are concerned with example formatting, -not with the interesting syntax. - -\ex -I wonder which article John filed {\sl t\/} without reading {\sl e}. -\xe - -\noindent Various aspects of the format are controlled by -parameters, which can be set either globally or via an optional -argument.|endcodedisplay - -Those users who try to save virtual paper can equally -use: - -\codedisplay -The following example is well-known from the literature on -parasitic gaps. Here we are concerned with example formatting, -not with the interesting syntax.\ex I wonder which article John -filed {\sl t\/} without reading {\sl e}.\xe Various aspects of -the format are controlled by parameters, which can be set either -globally or via an optional argument.|endcodedisplay - -With different parameter settings, we get: - -\framedisplay -\exdisplay -The following example is well-known from the literature on -parasitic gaps. Here we are concerned with example formatting, -not with the interesting syntax. - -\ex[numoffset=2em,textoffset=.5em,aboveexskip=1ex,belowexskip=1ex] -I wonder which article John filed {\sl t\/} without reading {\sl e}. -\xe - -\noindent Various aspects of the format are controlled by -parameters, which can be set either globally or via an optional -argument. -\xe -\endframedisplay - -\codedisplay~ -The following example is well-known from the literature on -parasitic gaps. Here we are concerned with example formatting, -not with the interesting syntax. - -\ex[numoffset=2em,textoffset=.5em,aboveexskip=1ex,belowexskip=1ex] -I wonder which article John filed {\sl t\/} without reading {\sl e}. -\xe - -\noindent Various aspects of the format are controlled by -parameters, which can be set either globally or via an optional -argument.|endcodedisplay - -The horizontal dimensions are illustrated below. |numoffset| is -measured from the left margin. - -\bigskip -\noindent -\pspicture(0,-.9em)(4.9in,3em) -\psscalebox{1.5}{% -\psset{linewidth=.5pt,yunit=.2in} -\def\vline#1{\psline[linestyle=dashed](#1,1)(#1,-.4)\ignorespaces}% -\vline0 -\dimpuba=.35in -\vline\dimpuba -\pcline{<->}(0,1)(\dimpuba,1) -\Aput{\eightrm numoffset} -\setbox0=\hbox{(23)}% -\rput[l](\dimpuba,0){\copy0} -\dimpubb=\dimpuba \advance\dimpubb by\wd0 -\vline\dimpubb -\dimpuba=\dimpubb \advance\dimpubb by .5in -\vline\dimpubb -\pcline{<->}(\dimpuba,1)(\dimpubb,1) -\Aput{\eightrm textoffset} -\rput[l](\dimpubb,0){This is the example text.} -}\endpspicture -\bigskip - -\noindent Example numbering is automatic. The count is kept in -|\excnt|. It is incremented when |\ex| is expanded, before the -number is typeset. Outside examples, |\excnt| gives the count -of the next example. Inside examples, it also gives the count of the -next example, not the current one. Vertical skip is inserted -before and after examples, of amounts determined by the values of -|aboveexskip| and |belowexskip|. - -Inside |\ex| constructions, the example text is wrapped as -ordinary text, with |\leftskip| set by |\ex|. Since |\ex| -sets |\leftskip| and relies on this setting, changes in |\leftskip| -inside \hbox{|\ex| \dots|\xe|} must be made with care, but can be made -after the first paragraph (i.e. after the first explicit or -implicit |\par|). - -\makeatletter -\framedisplay -\ex -Und hier k\"onnen wir sehen was f\"ur Unfug wird gemacht -wenn er einen ganz langen Satz binnen kriegt.\par\nobreak -\xe - -\ex~ -$\alpha$ {\it governs\/} $\beta$ if $\alpha=X^0$ (in the -sense of X-bar theory), $\alpha$ c-commands $\beta$, and $\beta$ -is not protected by a maximal projection. -\xe -\endframedisplay -\resetatcatcode - -The code which was used to typeset the pair of examples above has -two useful features which are worth highlighting. - -\codedisplay -\ex -Und hier k\"onnen wir sehen was f\"ur Unfug wird gemacht -wenn er einen ganz langen Satz binnen kriegt.\par\nobreak -\xe -|exbreak -\ex[aboveexskip=0pt] -$\alpha$ {\it governs\/} $\beta$ if $\alpha=X^0$ (in the -sense of X-bar theory), $\alpha$ c-commands $\beta$, and $\beta$ -is not protected by a maximal projection. -\xe|endcodedisplay - -\noindent |\par\nobreak| is used to illustrate how a page break -between two consecutive examples can be suppressed. This is -sometimes desirable. |\par| puts \Tex\ in the mode of adding -lines to the page, and |\nobreak| tells \Tex\ to avoid a break -(which is a page break when \Tex\ is in the mode of adding -lines), essentially until after more text is added to the page. -|aboveexskip=0pt| is used in the second example to avoid double -spacing between the examples. Otherwise vertical skip would be -added both below the first example and above the second example. - -Since the need to suppress vertical skip above examples arises -with some frequency, a shortcut is made available to accomplish -this. Simply say |\ex~|. \sidx{|~|, tilde modification}Tilde -modification of |\ex| can be used with parameters; |\ex~[|\dots|]| will be interpreted correctly. - -|exskip| is a pseudo parameter which can be used to -simultaneously set both |aboveexskip| and |belowexskip|. The -effect of |\lingset{exskip=«value»}| is - -\exfrag -|\lingset{aboveexskip=«value»,belowexskip=«value»}| -\xe - -\subsection Explicit example numbers - -\begininventory -\parameters -\idx{|exno|}& token list& (pseudo parameter)\cr -\idx{|exnoformat|}& token list of the form $\;\ldots\,|X|\,\ldots$& |(X)|\cr -\endinventory -% -Suppose that you want to repeat an example that was given earlier -in your document. Something like. - -\framedisplay -\excnt=94 -\ex This is a crucial example.\xe -It is clear that this example is related to the earlier -example (14), which is repeated below. -\ex[exno=14] -This is an example that was given many pages earlier.\xe -If we are on the right track, as the saying goes, -we expect the next example to be grammatical. But it is not. -\ex * \dots\xe -\endframedisplay - -\codedisplay~ -\ex This is a crucial example.\xe -It is clear that this example is related to the earlier -example (14), which is repeated below. -\ex[exno=14] -This is an example that was given many pages earlier.\xe -If we are on the right track, as the saying goes, -we expect the next example to be grammatical. But it is not. -\ex * \dots\xe -|endcodedisplay - -|\excnt| is not incremented if the example number is -supplied by |exno|. - -|exno| does not have to be set to an integer, as shown below. - -\framedisplay -\ex[exno=$\Delta$] Earlier example.\xe -\endframedisplay - -\codedisplay~ -\ex[exno=$\Delta$] Earlier example.\xe |endcodedisplay - - -\framedisplay -\ex[exno={[14, repeated]},exnoformat=X] Earlier example.\xe -\endframedisplay -\codedisplay~ -\ex[exno={[14, repeated]},exnoformat=X] Earlier example.\xe|endcodedisplay - -\noindent Note the use of braces to hide the comma in the setting -of |exno|. Otherwise, the key-value parser would get -confused, interpreting |[14| as the setting of |exno| and -reporting that |repeated| is an undefined key. The initial setting of -|exnoformat| is |(X)|, so this parameter must be reset to prevent -putting parentheses around the special exno. The label formatting mechanism is primitive. -|labelformat| must -be of the form\medskip -\centerline{$\rm \langle balanced\ -text\rangle\thinspace|X|\thinspace \langle balanced\ text\rangle$} -\medskip -\noindent The pre-X text is inserted before the label (including -the material specified by |everypar|) and the post-X text is -inserted after the label. The balanced text cannot contain the -character |X|. {\it Balanced text\/} is a string of tokens with -properly nested (explicit) braces. No error checking is done to -ensure that the format specification has the required form, so be -careful. An error might lead to very obscure error messages. - -Note that -\exfrag -|\ex[exno={14, repeated},exnoformat={[X]}] Earlier example.\xe| -\xe -and -\exfrag -|\ex[exno={[14, repeated]},exnoformat=X] Earlier example.\xe| -\xe -give the same result. - -Section (\getref{named-reference}) will show how to name example -numbers, so that |exno| can be set by giving the name of -an example number. - - |