%%
%% This is file `dvgloss.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% dvgloss.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Copyright (C) 2013 by Dan Bridges Velleman
%% 
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.2 of this license or (at your option) any later
%% version. The latest version of this license is in:
%% 
%% http://www.latex-project.org/lppl.txt
%% 
%% and version 1.2 or later is part of all distributions of
%% LaTeX version 1999/12/01 or later.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{dvgloss}[2012/08/06 v0.1 Flexible glossing commands]

\newtoks\ta\newtoks\tb
\newdimen\glhangindent\glhangindent=2em
\newdimen\betweenglskip\betweenglskip=1\jot
\newdimen\withinglskip\withinglskip=0pt
\newdimen\aboveglftskip\aboveglftskip=2\jot
\newdimen\aboveglskip\aboveglftskip=2\jot
\newdimen\glstrutheight\newdimen\glstrutdepth
\def\glspace{\penalty0\hspace{1ex plus 2em minus 2pt}}
\def\everygla{\itshape}
\def\everyglb{}
\def\glescape{!}
\long\def\addtokens#1\to#2{\ta={#1}\tb=\expandafter{#2}\edef#2{\the\tb\the\ta}}
\def\pop#1\to#2{\expandafter\popoff#1\to#2\remainderin#1}
\long\def\popoff#1 #2\to#3\remainderin#4{#3={#1}\def#4{#2}}
\long\def\split#1{\expandafter\ssplit#1\xyzzy}
\long\def\ssplit#1#2\xyzzy{\gdef\istchar{#1}\gdef\restchars{#2}}
\def\ifnotin#1#2{%
  \def\@ifnotin##1#1##2##3\zyzzy{\ifx\ifnotfound##2}%
  \expandafter\@ifnotin#2#1\notfound\zyzzy}
\newif\ifspecial
\def\dvglspecials{}
\def\checkspecial#1{%
  \ifnotin#1{\dvglspecials}\specialfalse\else\specialtrue\fi}
\def\makespecial#1{%
  \xdef\dvglspecials{\dvglspecials#1}}
\def\glossword#1#2{%
  \mbox{\vtop{\halign{##\hfil\cr\everygla#1\strut\cr\everyglb#2\strut\cr}}}%
  \glstrut\glspace}
\def\zipper#1\and#2\to#3{%
  \ifx\empty#1\else%
    \pop#1\to\ta%
    \def\istchar{}\def\restchar{}%
    \edef\temp{\the\ta}\split\temp%
    \ifx\istchar\glescape\expandafter\addtokens\restchars\to#3%
    \else%
      \expandafter\checkspecial\istchar\ifspecial%
        \expandafter\addtokens\csname gl\istchar\endcsname\to#3%
        \expandafter\addtokens\expandafter<\restchars>\to#3%
      \else
        \ifx\empty#2\else%
          \pop#2\to\tb%
          \edef\temp{\noexpand\glossword{\the\ta}{\the\tb}}%
          \expandafter\addtokens\temp\to#3%
        \fi%
      \fi%
    \fi%
    \zipper#1\and#2\to#3%
  \fi%
}
\long\def\gl#1#2{%
  \begingroup%
  \def\x{#1 }\def\y{#2 }\def\z{}%
  \zipper\x\and\y\to\z%
  \fixglstrut%
  \ifvmode\vskip\aboveglskip\fi\z%
  \endgroup%
}
\def\fixglstrut{%
  \def\glstrut{}%
  \setbox0=\hbox{\glossword{}{}}%
  \glstrutheight=\ht0%
  \glstrutdepth=\dp0%
  \advance\glstrutdepth by \betweenglskip%
  \global\edef\glstrut{\vrule height\glstrutheight width0pt depth\glstrutdepth}}

\def\noglstrut{\def\glstrut{}}
\def\ft#1{\nobreak\par\nobreak\vskip-\betweenglskip\vskip\aboveglftskip #1}
\def\lb#1{{\unskip\nobreak\hfil\penalty0\hskip2em\mbox{}\nobreak\hfill\mbox{#1}}}
\long\def\makeglshortcut#1#2{%
  \makespecial{#1}%
  \expandafter\gdef\csname gl#1\endcsname<##1>{#2}}
\makeglshortcut/{\par\ifx#1\empty\else\vskip{#1}\fi}
\makeglshortcut[{[$_\textrm{\footnotesize#1}$\thinspace}
\makeglshortcut]{\unskip\thinspace]$_\textrm{\footnotesize#1}$\glspace}
\long\def\makeglsurround#1#2#3{%
  \xdef\dvglspecials{\dvglspecials#1#2}%
  \ta=\expandafter{\csname gl#1\endcsname}%
  \tb=\expandafter{\csname gl#2\endcsname}%
  \expandafter\expandafter\expandafter\gdef%
     \expandafter\expandafter\the\ta%
     \expandafter<\expandafter##\expandafter1\expandafter>%
     \expandafter##\expandafter2\the\tb<##3>{#3}}

\makeglsurround ** {%
  \rlap{\raisebox{1.5em}{\footnotesize\sf#3}}%
  \fbox{\noglstrut#2\unskip}\glspace}
\endinput
%%
%% End of file `dvgloss.sty'.
