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%D \module
%D [ file=mtx-context-meaning,
%D version=2018.01.12,
%D title=\CONTEXT\ Extra Trickry,
%D subtitle=Show Meanings,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
% begin help
%
% usage: context --extra=meaning [options] list-of-commands
%
% --pattern : match given pattern
%
% example: context --extra=meaning --pattern=*paper*
% context --extra=meaning setuplayout
% context --extra=meaning setup_layout
%
% end help
\input mtx-context-common.tex
\setupbodyfont
[dejavu]
\def\showmeaning#1%
{\writestatus{meaning}{\strippedcsname#1}%
\writestring{}%
\writestring{\expandafter\meaning\begincsname#1\endcsname}}
\starttext
\startluacode
local h = tex.hashtokens()
local function showmeaning(str)
local s = string.gsub(str,"^\\","")
local p = "^" .. string.topattern(s) .. "$"
context("pattern: ")
context.type(s)
context.blank()
for i=1,#h do
local hi = h[i]
if string.find(h[i],p) then
context.type(hi)
context.par()
context.showmeaning(hi)
end
end
context.page()
end
local done = false
local pattern = document.arguments.pattern
if pattern then
pattern = { pattern}
else
pattern = document.files
end
if type(pattern) == "table" then
table.sort(pattern)
for i=1,#pattern do
local p = pattern[i]
if not string.find(p,"^mtx%-context%-") then
done = true
showmeaning(p)
end
end
end
if not done then
context("no search pattern given")
end
\stopluacode
\stoptext
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