From 0ef5174e5fc5ffea020725c2362527e573a095a1 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Fri, 7 Feb 2020 21:49:38 +0000 Subject: letterswitharrows (7feb20) git-svn-id: svn://tug.org/texlive/trunk@53709 c570f23f-e606-0410-a88d-b1316a301751 --- .../latex/letterswitharrows/letterswitharrows.dtx | 101 ++++++++++++++++----- 1 file changed, 78 insertions(+), 23 deletions(-) (limited to 'Master/texmf-dist/source') diff --git a/Master/texmf-dist/source/latex/letterswitharrows/letterswitharrows.dtx b/Master/texmf-dist/source/latex/letterswitharrows/letterswitharrows.dtx index 43753176eba..8d54dd6294f 100644 --- a/Master/texmf-dist/source/latex/letterswitharrows/letterswitharrows.dtx +++ b/Master/texmf-dist/source/latex/letterswitharrows/letterswitharrows.dtx @@ -1,7 +1,7 @@ % \iffalse meta-comment % %% File: letterswitharrows.dtx -%% Copyright 2019 J. Maximilian Teegen +%% Copyright 2019-2020 J. Maximilian Teegen %% %% This work may be distributed and/or modified under the %% conditions of the LaTeX Project Public License, either version 1.3 @@ -54,15 +54,16 @@ % \title{The \pkg{letterswitharrows} package} % \author{Max Teegen\\ \href{mailto:tex@jmteegen.eu}{tex@jmteegen.eu}} -% \date{2019/11/21} +% \date{Released 2020-02-04} % \maketitle % \begin{documentation} -% This package does provides math-mode commands for setting left and right arrows over mathematical symbols, so that the arrows dynamically scale with the symbols. +% This package provides math-mode commands for setting left and right arrows over mathematical symbols, so that the arrows dynamically scale with the symbols. % Here is a sample: {\large\[ % \vs \le \tv \in \vec{U_{\mathrlap\vr}} \qquad \left\vert \vec{AB} \right\vert = \left\vert \cev{AB} \right\vert \qquad A \mathrel{\arrowoverset*[-2mu]{\between}} B -% \]} % Somehow embellishments don't work in the documentation!? +% \]} +% \iffalse Somehow embellishments don't work in the documentation!? \fi % While it is possible to set arrows over longer strings of symbols, the focus lies on single characters. % % Only \textsc{pdf} output is supported. Output to \textsc{ps} is implemented, but rarely tested. @@ -132,7 +133,7 @@ % \subsection{Other package options} % \DescribeOption{pgf} -% If you specify the \verb|pgf| option, every arrow is drawn as a \verb|pgfpicture|. This requires the \pkg{pgf} package, and slow in its current implementation. +% If you specify the \verb|pgf| option, every arrow is drawn as a \verb|pgfpicture|. This requires the \pkg{pgf} package. % \begin{texnote} % You can set up custom arrow drawing code by redefining \cs{__jmt_lwa_arrow_draw:nnn}. % The command is expected to draw an arrow with its head at the current position. Its length should be \verb|#1| and it should be drawn at a font size of \verb|#2|pt. @@ -141,7 +142,8 @@ % \DescribeOption{tweaks} % Specifying the \verb|tweaks| option applies per-letter scaling adjustments to some of the single-letter shorthands. This is enabled by default. -% These are specific to Latin Modern Math and subject to be changed on a whim. If you wish a more stable behaviour specify \verb|tweaks=false| +% These are specific to Latin Modern Math and subject to be changed on a whim. If you wish a more stable behaviour specify \verb|tweaks=false|. +% This documentation uses \verb|tweaks=false|. % \end{documentation} % \begin{implementation} @@ -151,7 +153,7 @@ % \begin{macrocode} \NeedsTeXFormat{LaTeX2e} \RequirePackage{expl3} -\ProvidesExplPackage {letterswitharrows} {2019-11-21} {} {Draw arrows over math letters.} +\ProvidesExplPackage {letterswitharrows} {2020-02-04} {} {Draw arrows over math letters.} \RequirePackage{xparse,l3keys2e,mathtools} % TODO: I just use mathtools for mathrlap; replace. @@ -285,20 +287,27 @@ % \end{macro} % \begin{macro}{\@@_arrow_overset:w,\arrowoverset} +% \changes{2019/02/04}{2019/02/04}{Subscript spacing adjustments} % \begin{macrocode} \cs_new_protected:Npn \@@_arrow_overset:w { \c_group_begin_token \__@@_arrow_overset_aux:w } +\cs_new:Nn \__jmt_lwa_bool_convert:n { + \IfBooleanTF {#1} {\c_true_bool} {\c_false_bool} +} + % This exp_args is necessary because _ generates the wrong token in expl3 syntax \exp_args:NNx \NewDocumentCommand \__@@_arrow_overset_aux:w {s O{0mu} O{1} O{0ex} m t' e{\char_generate:nn {95}{8}} t'} { \__@@_arrow_overset:nnnnn { #5 - \c_math_superscript_token { - \scriptscriptstyle\IfBooleanT{#6}{\prime}\IfBooleanT{#8}{\prime} + \exp_args:Nf\bool_if:nT{\__jmt_lwa_bool_convert:n{#6} || \__jmt_lwa_bool_convert:n{#8}} { + \c_math_superscript_token { + \scriptscriptstyle\IfBooleanT{#6}{\prime}\IfBooleanT{#8}{\prime} + } } % TODO: Better positioning etc? \exp_args:Nf\IfValueT{\use:n#7} { \c_math_subscript_token { @@ -311,7 +320,7 @@ \exp_args:Nf\IfValueTF{\use:n#7}{ % TODO: Better way to do this? This is all kinds of wrong. - \hphantom{\!\c_math_subscript_token{#7}} + \hphantom{\c_math_subscript_token{#7}} } {} \c_group_end_token } @@ -431,21 +440,67 @@ % \end{macrocode} % \end{macro} % Some personal-preference tweaks. +% \changes{2019/02/04}{2019/02/04}{Tweaks for capital letters.} % \begin{macrocode} \bool_if:NTF \g_@@_tweak_shortcuts_bool { - \prop_if_in:NnTF \g_@@_selected_presets_prop {ABC} { - \cs_set:cpn {vS} { - \@@_arrow_overset:w[2mu][8/10]{S} - } - } {} - \prop_if_in:NnTF \g_@@_selected_presets_prop {abc} { - \cs_new:cpn {vell} { - \@@_arrow_overset:w{\ell} - } - \cs_new:cpn {ellv} { - \@@_arrow_overset:w{\ell} - } - } {} + \prop_if_in:NnTF \g_@@_selected_presets_prop {ABC} { + \int_step_inline:nnn {1} {26} { + \cs_set:cpx {v\int_to_Alph:n{#1}} { + \exp_not:N\@@_arrow_overset:w[2.5mu][8/10]{\int_to_Alph:n{#1}} + } + \cs_set:cpx {\int_to_Alph:n{#1}v} { + \exp_not:N\@@_arrow_overset:w*[2.5mu][7/10]{\int_to_Alph:n{#1}} + } + } + \cs_set:cpn {vS} { + \@@_arrow_overset:w[3mu][7/10]{S} + } + \cs_set:cpn {vT} { + \__jmt_lwa_arrow_overset:w[2mu][8/10]{T} + } + \cs_set:cpn {Tv} { + \__jmt_lwa_arrow_overset:w*[1mu][8/10]{T} + } + \cs_set:cpn {vU} { + \__jmt_lwa_arrow_overset:w[2mu][7/10]{U} + } + \cs_set:cpn {Uv} { + \__jmt_lwa_arrow_overset:w*[2mu][7/10]{U} + } + \cs_set:cpn {vV} { + \__jmt_lwa_arrow_overset:w[2.5mu][7/10]{V} + } + \cs_set:cpn {Vv} { + \__jmt_lwa_arrow_overset:w*[2mu][7/10]{V} + } + \cs_set:cpn {vX} { + \@@_arrow_overset:w[3mu][7/10]{X} + } + \cs_set:cpn {vY} { + \@@_arrow_overset:w[2mu][8/10]{Y} + } + \cs_set:cpn {Yv} { + \__jmt_lwa_arrow_overset:w*[2mu][7/10]{Y} + } + } {} + \prop_if_in:NnTF \g_@@_selected_presets_prop {cAcBcC} { + \int_step_inline:nnn {1} {26} { + \cs_set:cpx {vc\int_to_Alph:n{#1}} { + \exp_not:N\@@_arrow_overset:w[1mu][9/10]{\exp_not:N\mathcal{\int_to_Alph:n{#1}}} + } + \cs_set:cpx {c\int_to_Alph:n{#1}v} { + \exp_not:N\@@_arrow_overset:w*[1.5mu][8/10]{\exp_not:N\mathcal{\int_to_Alph:n{#1}}} + } + } + } {} + \prop_if_in:NnTF \g_@@_selected_presets_prop {abc} { + \cs_new:cpn {vell} { + \@@_arrow_overset:w{\ell} + } + \cs_new:cpn {ellv} { + \@@_arrow_overset:w{\ell} + } + } {} } {} % \end{macrocode} % \end{implementation} -- cgit v1.2.3