%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Part of the ptx2pdf macro package for formatting USFM text
% copyright (c) 2007 by SIL International
% written by Jonathan Kew
%
% Permission is hereby granted, free of charge, to any person obtaining  
% a copy of this software and associated documentation files (the  
% "Software"), to deal in the Software without restriction, including  
% without limitation the rights to use, copy, modify, merge, publish,  
% distribute, sublicense, and/or sell copies of the Software, and to  
% permit persons to whom the Software is furnished to do so, subject to  
% the following conditions:
%
% The above copyright notice and this permission notice shall be  
% included in all copies or substantial portions of the Software.
%
% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,  
% EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF  
% MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND  
% NONINFRINGEMENT. IN NO EVENT SHALL SIL INTERNATIONAL BE LIABLE FOR  
% ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  
% CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION  
% WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
%
% Except as contained in this notice, the name of SIL International  
% shall not be used in advertising or otherwise to promote the sale,  
% use or other dealings in this Software without prior written  
% authorization from SIL International.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% Paragraph style macros

% some flags used to communicate between the macros
\newif\if@ntromarker
\newif\if@ntro \newif\ift@tle \newif\ifb@dy \newif\ifNoBody
\newif\ifbeenb@dy
\newif\ifstartpara
\newif\ifintr@done\intr@donefalse % If true, then if@ntro can only be set between the start of a book and the first chapter number
\newif\ifReenterIntroOK\ReenterIntroOKtrue % If true, then a chapter number does not set intr@done
\newif\ifinextended \inextendedfalse % Test for sidebars (ptx extended)
\newcount\l@stparbadness
\def\EndTitle#1{\x@\let\csname at@end-#1\endcsname\tr@e} % There are a few end-titles that shouldn't trigger a penalty1000 after their titleblock
\EndTitle{mte} \EndTitle{mte1} \EndTitle{mte2} \EndTitle{mte3}
\EndTitle{imte} \EndTitle{imte1} \EndTitle{imte2} \EndTitle{imte3}

%+cpar_init
\def\initp@rastyles{\@ntrofalse \t@tlefalse \b@dyfalse \def\m@rker{p}%
    \ifnum\BodyColumns=2 \hsize=\textwidth\else\onecolwidth{\hsize}\fi}
%-cpar_init

% test if a marker is an "introduction" style (name begins with "i") and we're allowed to enter intro mode.
%+cpar_testintro
\def\t@stintro#1#2\relax{\ifnum 1=\if#1i \ifintr@done 0 \else 1 \fi \else 0\fi \global\@ntromarkertrue\else\global\@ntromarkerfalse\fi}
%-cpar_testintro

%+cpar_starttypes
\def\chkintrobody{% What sort of paragraph is this?
  \t@mpfalse\iftoplevelp@r\t@mptrue\fi\ift@plevel@utobox\t@mptrue\fi
  \ift@mp\if@ntromarker\st@rtintro\else\st@rtbody\fi\fi
}
  
% start title/intro/body, if not already in that mode, switching columns if needed
\def\st@rtintro{\TRACE{st@rtintro}\if@ntro\else
  \t@mptrue
  \ifdiglot\ifseriesdiglot\else\t@mpfalse\fi\fi
  \ift@mp
    \ifnum\IntroColumns=\c@rrentcols\else
      \ifnum\IntroColumns=3 \threecolumns \else\ifnum\IntroColumns=2 \doublecolumns\else\singlecolumn\fi\fi
    \fi
  \fi
  \global\@ntrotrue\global\t@tlefalse\global\b@dyfalse\fi}

\def\st@rttitle{\TRACE{st@rttitle}\ift@tle\else
  \t@mptrue
  \ifdiglot\ifseriesdiglot\else\t@mpfalse\fi\fi
  \ift@mp
    \ifnum\TitleColumns=\c@rrentcols\else
      \ifnum\TitleColumns=3 \threecolumns\else\ifnum\TitleColumns=2 \doublecolumns\else\singlecolumn\fi\fi
    \fi
  \fi
  \global\t@tletrue\global\@ntrofalse\global\b@dyfalse\fi}

\newif\iftob@dy \tob@dyfalse
\newif\ifPBOnBody \PBOnBodyfalse
\def\st@rtbody{%\endhe@dings
 % \trace{o}{st@rtbody: b@dy\ifb@dy true\else false\fi}%
 \traceifset{st@rtbody}%
 \ifNoBody\else\ifb@dy\else\trace{o}{st@rtbody by \m@rker,  diglot\ifdiglot true\else false\fi, BodyColums=\the\BodyColumns, currentcols=\the\c@rrentcols}%
  \t@mptrue
  \ifdiglot\ifseriesdiglot\else\t@mpfalse\fi\fi
  \ift@mp
    \ifnum\BodyColumns=\c@rrentcols
      \count255=\lastpenalty
      \vskip\baselineskip
    \else
      \tob@dytrue\ifnum\BodyColumns=3 \threecolumns\else\ifnum\BodyColumns=2 \doublecolumns\else\singlecolumn\fi\fi
      \count255=10000
    \fi
    \ifPBOnBody\vfill\eject
    \else
      \penalty\count255
    \fi
  \else
    \ifPBOnBody
      \ifdiglot 
        \trace{d}{Page Break on starting body - \c@rrdstat}%
        \@diglot@pagebreak
        %\if L\c@rrdstat\relax \@writep@ge\fi
      \fi
    \fi
  \fi
  \tob@dyfalse
  \global\b@dytrue\global\beenb@dytrue\global\@ntrofalse\global\t@tlefalse
  % set up for single column from single column. Empty vbox to say we are not at the start of a page
  \ifnum\BodyColumns=1 \onecolwidth{\hsize}\ifdim\ht\partial>\baselineskip\vbox{\kern0pt}\fi
  \else\ifnum\BodyColumns=3 \threecolwidth{\hsize}\fi\fi
 \fi\fi
  \ifdiglot\iftextborder  \ifnum \TextBorderMode>1
    \ifdim\pagetotal=0pt \x@\ifx\csname isb@dy\c@rrdstat\endcsname\false 
      \trace{d}{Body width changed for \c@rrdstat\space at \c@rref}%
      \global\hsize=\csname column\c@rrdstat width\endcsname\relax
    \fi\fi
  \fi\fi\fi
  \traceifcheck{st@rtbody}%
}

\newcount\c@rrentcols \global\c@rrentcols=1
%-cpar_starttypes

%
% Headings are set into a box, so that they can be measured and adjusted for the grid
%
%+cpar_endheadings
\newif\ift@plevel@utobox
\newif\ifhe@dings
\newif\ifnormalhe@dings \normalhe@dingstrue
\newskip\headingtopspace
\newskip\headingmidspace
\def\endheadingshook{}
\newbox\he@dingbox
\def\endhe@dings{\ifhe@dings\trace{h}{+endhe@dings \ift@plevel@utobox toplevelautobox \fi \ift@tle title \fi\iftoplevelp@r toplvlpar\fi}%
  \makecutouts \endgraf
  \global\l@stparbadness=\badness
  \ifx\thisp@rclass\undefined
    \global\let\tmppcl@ss\empty %pass out the heading group class
  \else
    \global\let\tmppcl@ss\thisp@rclass %pass out the heading group class
  \fi
  \edef\tmp{\the\s@vedm@rks}\ifx\tmp\empty\else
    \global\setbox\he@dingnotes\vbox{\unvbox\he@dingbox\the\s@vedm@rks}%
    \global\s@vedm@rks{}%
  \fi
  \egroup %\showbox\he@dingbox
  \global\normalhe@dingstrue\ifcsname at@end-\oldm@rker\endcsname \x@\ifx\csname at@end-\oldm@rker\endcsname\tr@e
    \global\normalhe@dingsfalse
  \fi\fi
  \trace{h}{\oldm@rker\space is a\ifnormalhe@dings\space  normal\else n end\fi-heading}%
  \cutoutcarryover
%{\showboxbreadth=200 \showbox\he@dingbox}
  \baselineskip=\onel@neunit%\s@tbaseline{p}{p}%
  \trace{h}{ht=\the\ht\he@dingbox , dp=\the\dp\he@dingbox, useglyph=\the\XeTeXuseglyphmetrics}%
  \endheadingshook
  \ifhe@dings
    \ift@plevel@utobox
      \ifdim\dimexpr \ht\he@dingbox + \dp\he@dingbox\relax>0pt 
        \box\he@dingbox
        \he@dingsfalse
        \endlastp@rstyle{end\B@xtype}\penalty10000
        \@sbe
        %\showlists
        \let\B@xtype\empty
        \t@plevel@utoboxfalse
        \toplevelp@rtrue % Is this always correct? Alternative is re-check the mcstack.
      \fi
    \else
      \ifinextended\trace{e}{sb@rgrid: \sb@rgrid, lpc:\lastp@rclass,tpc:\thisp@rclass}%
        \x@\ifx\csname @gr@d@\sb@rgrid\endcsname\false
          \unvbox\he@dingbox
          %\showboxbreadth=99\showlists
      \fi\fi % Disable gridding of headings box if no gridding here
      \ifdim\ht\he@dingbox>0pt 
        \setbox\he@dingbox\vbox{\t@gstart{H}{heading}\unvbox\he@dingbox\t@gend{H}}%
        \gridb@x\he@dingbox
        \ifinextended\sb@rsavegriddims\fi
      \fi%
    \fi
    \let\lastp@rclass\tmppcl@ss%
  \fi
  \ifvoid\he@dingnotes\else
    \penalty10000\unvbox\he@dingnotes
  \fi
  \ifnormalhe@dings\penalty10000 \else\penalty10 \fi
  \trace{h}{\oldm@rker: Outputting \ifnormalhe@dings normal \else endnote \fi end-of-headings penalty}%
  \global\first@fterheadingtrue
  \global\he@dingsfalse
  \trace{h}{-endhe@dings \ift@plevel@utobox toplevelautobox \fi \ift@tle title \fi\iftoplevelp@r toplvlpar\fi (\mcstack)}%
 \fi
}
\let\zendheadings\endhe@dings
\newif\iffirst@fterheading
%-cpar_endheadings

%+cpar_killdescenders
\def\killd@scenders#1{%
  \vbox{%
  \trace{h}{killing descenders: ht=\the\ht#1, dp=\the\dp#1}%
  \unvbox#1 \skip0=\lastskip\unskip \count255=\lastpenalty\unpenalty
    \setbox0=\lastbox\global\dimen4=\dp0  % Remember last box's depth
    \ifvoid0\else\dp0=0pt \box0 \fi
    \trace{h}{+skip=\the\skip0, depth=\the\dimen4}%
    \ifdim\skip0>0pt \penalty\count255 \vskip\skip0 \fi}%
}
%-cpar_killdescenders

%
% Given a box of headings, output it but ensure we use an integral number of lines altogether
%
%+cpar_gridbox1
\def\gr@db@x#1{%
% \setbox0=\vbox{\kern-#1pt \vrule\kern#1pt \kern-.4pt \box#1\kern-.4pt \vrule}%
\setbox0=\vbox{\unvbox#1}%\ifgridp@c\vbox{\box#1}\else\killd@scenders#1\fi%
\trace{h}{before gridbox: ht0=\the\ht0; dp0=\the\dp0 (dp was \the\dimen4)}%
%\MSG{after killd: ht0=\the\ht0; dp0=\the\dp0}
%{\showboxbreadth=100 \showboxdepth=10 \showbox0 }%
 \dimen2=\ht0 \advance\dimen2 by \dp0
 %\dimen0=\ifnum\@djustment>0 -\baselineskip\else0pt \fi
 \dimen0=0pt
 \ifgridp@c\line{}\nobreak\fi % otherwise first \line in loop won't get any baselineskip
                              % when doing a picture box, because it's not part of the
                              % current page
 \loop \ifdim\dimen0<\dimen2                                                    %(1)
   \advance\dimen0 by \baselineskip
   \line{}\nobreak \repeat
 \setbox0=\vbox to 0pt{\kern-\ht0\unvbox0}%
 \trace{h}{after gridbox: dimen0=\the\dimen0; dp0=\the\dp0}%
 \unvbox0 \nobreak
}
\newif\ifgridp@c % if applying \gridb@x to a picture box rather than headings
%-cpar_gridbox1

%+cpar_gridbox2
% returns in \dimen0 how much to advance \dimen1 (y) to be an integral multiple of \dimen0 (x)
% \dimen1 := y - y % x, \dimen3 := y % x, \dimen0 := x - y % x
\def\m@d{\dimen3=\dimen1\divide\dimen1 \dimen0\multiply\dimen1 \dimen0\advance\dimen3 by -\dimen1\advance\dimen0 by -\dimen3}
\newdimen\upwardsHackDiff \upwardsHackDiff=0pt
\def\gr@db@@x#1{%
  \ifdim 0.5pt>\baselineskip \unvbox#1
  \else
      \ifhmode\endgraf\lastdepth=\prevdepth
        \global\l@stparbadness=\badness
        \trace{h}{gr@db@@x needed to end paragraph. Why?}%
      \fi % Not sure why, but sometiems we get here in hmode
      \edef\oldprevdepth{\the\prevdepth}%
      \prevdepth=0pt%\dp#1
      % \setbox0=\ifgridp@c\vbox{\box#1}\else\killd@scenders{#1}\fi
      \setbox0=\box#1%
      %\setbox0=\vbox{\box#1}%
      \trace{h}{after killingdescenders: ht=\the\ht0, dp=\the\dp0}
      \ifVisTraceExtra
        \setbox0=\vbox{\box0\doVisTraceT{G}\box0}%
      \fi
      \ift@tle\lastdepth=0pt \fi
      \trace{h}{before gridbox: ht0=\the\ht0; dp0=\the\dp0; spacebefore=\the\headingtopspace; lastdepth=\the\lastdepth; upwardsHackDiff=\the\upwardsHackDiff}%
      \baselineskip=\onel@neunit%\s@tbaseline{p}{p}
      \dimen1=\ht0 \dimen0=\baselineskip \m@d \dimen2=\dimen0 % dimen2 is gridding space above box, y (ht0) and x (baselineskip). z = x - y % x
      \dimen1=\ht0 \advance\dimen1 by -\headingtopspace % a = y - b
      \dimen0=\baselineskip \m@d \advance\dimen2 by -\dimen0 % w = x - (y-b) % x; z = x - y % x - x + (y-b) % x; = (y-b) % x - y % x 
      \advance\dimen2 by \headingtopspace   % (1), z = (y-b) % x - y % x
      \ifgridp@c\else\ifdiglot\else
        \ifdim\lastdepth>0pt \vskip -\lastdepth\fi
      \fi\fi
      \ifversion{6}{\ifdim\dimen2<-\dimen0 \advance\dimen2 by \baselineskip\fi}{}%
      \ifdim\upwardsHackDiff=0pt\else\advance\dimen2 by -\upwardsHackDiff \advance\dimen0 by \upwardsHackDiff\fi
      \trace{h}{after gridbox(\ch@pter.\v@rse): skip \the\dimen2, kern \the\dimen0; baselineskip=\the\baselineskip; dim1=\the\dimen1;  ht0=\the\ht0; dp0=\the\dp0; is \ifdiglot\else\space not\fi\space diglot}%
      \t@mpfalse
      \ifnum\ifsquashgridbox 1\else\ifgridp@c 1\else 0\fi\fi =1%
        \ifdiglot\kern\else\vskip\fi\dimen2
      \else\t@mptrue\vbox\bgroup\topskip=0pt\vskip\dimen2\fi
        \vbox{\kern\dimen0\vskip-\headingtopspace\unvbox0}%
      \ift@mp\egroup\fi
      \ifrotate\prevdepth=\baselineskip\fi
      \nobreak%\dimen0=\prevdepth\trace{h}{prevdepth=\the\dimen0}%
      %\ifdim\oldprevdepth<-999pt \prevdepth=\oldprevdepth\fi % DON"T restore old prevdepth. For some reason this puts things off grid.
  \fi
}

\def\ungr@db@x#1{\vskip0pt \box#1\nobreak}
\newif\ifsquashgridbox\squashgridboxtrue                                        %(2)
\let\gridb@x\gr@db@@x % overridden during \ptxfile setup, depending on \ifdiglot and \ifsquashgridbox 
%-cpar_gridbox2

\def\at@ndofthispar{}
\def\at@ndofthisparR{}
\def\at@ndofthisparL{}
\def\at@ndofthisparDelay{}
\def\at@ndofthisparRDelay{}
\def\at@ndofthisparLDelay{}
\ifcsname ForcedLooseness\endcsname\else\gdef\ForcedLooseness{}\fi

\newif\ifdoingt@ble
\newdimen\lastdepth
\newif\ifrotate \rotatefalse
\newif\ifb@xedparstyle
%+cpar_par
% end a paragraph, handling cutouts (shaping around drop-cap) if any, and the <end> hook. Normally called from inside endlastp@rstyle
\def\standardpar{%
  \trace{sP}{par! n=\the\p@rnum ch@pter\g@tdstat waiting:'\csname ch@pter\g@tdstat waiting\endcsname' \c@rref/\dc@rref (\the\ch@pterwd), \ifdr@ppednumber dr@ppednumber\fi, \styst@k}%
  \ifhmode
   \ifb@xedparstyle \trace{s}{b@xedstyle met in par! \styst@k}%
    \set@endb@xedstyle{\styst@kfirst}{\styst@k}\egroup\apply@endb@xedstyle{\tmpctsb@x}%
    \unhbox\tmpctsb@x
    \b@xedparstylefalse
   \fi
   \makecutouts
   \cl@singhooks{end}{\m@rker}{\styst@k}%
   \ifx\ForcedLooseness\empty\else\looseness=\ForcedLooseness\fi
   \trace{j}{Ending marker: \m@rker (\styst@kfirst)}%
   \trace{j}{hs=\the\hsize, bs=\the\baselineskip, loose=\the\looseness, ls=\the\leftskip, rs=\the\rightskip, pf=\the\parfillskip, par after \m@rker (\styst@k), intercharstate=\the\XeTeXinterchartokenstate}%
   \def\@@@st@t{}%
   \ifhmode\def\@@@st@t{hmode}\fi
   \ifvmode\edef\@@@st@t{vmode \@@@st@t}\fi
   \ifinner\edef\@@@st@t{inner \@@@st@t}\fi
   \trace{j}{(gt:\the\currentgrouptype) \@@@st@t\space  doingt@ble\ifdoingt@ble true\else false\fi\space inn@te\ifinn@te true\else false\fi [\styst@k]}%
   \ifdoingt@ble\else
     \ifx\styst@k\empty% If we have an empty stystack, then should we do nothing or fall back to using m@rker? it seems to be anomalous
       %\s@tsideskips{\m@rker}% 
     \else\ifinn@te\else
       \s@tsideskips{\styst@kfirst}{-1pt}%%Need this for when \everypar gets fired from within a group. (e.g. from a trigger or milestone)
       \trace{j}{[\styst@kfirst] hs=\the\hsize, bs=\the\baselineskip, loose=\the\looseness, ls=\the\leftskip, rs=\the\rightskip, pf=\the\parfillskip, par after \m@rker (\styst@k), intercharstate=\the\XeTeXinterchartokenstate}%
     \fi\fi
   \fi
   \seteotpn@me
   \csname pre\eotpn@me\endcsname\x@\let\csname pre\eotpn@me\endcsname\empty
   \ifhmode 
     \endgraf
     \global\l@stparbadness=\badness
   \fi
   \ifvmode\ifinn@te\else\ifhe@dings\else\ifdoingt@ble\else
     %\ifrotate
     %  \setbox9=\lastbox \lastdepth=\ht9 \box9\trace{h}{lastdepth in upwards = \the\lastdepth}%
     %  \lastdepth=0pt\prevdepth=0pt%
     %\else
       \lastdepth=\prevdepth
     %\fi
   \fi\fi\fi\fi
   \ifinn@te\else\ifdoingt@ble\else
     \edef\t@mpp{\string\@parlen{\ifdiglot \dc@rref\else\c@rref\fi}{\the\curr@djpar}{\the\prevgraf}{\m@rker}{\lastc@rref}{\lastc@rradj}}\x@\write\x@\p@rlocs\x@{\t@mpp}%
   \fi\fi
   \cutoutcarryover 
   \ifversion{3}{\do@ndofthispar}{}%
  \else
   \global\l@stparbadness=\badness
  \fi
  \ifversion{3}{}{\do@ndofthispar}%
}
%-cpar_par
% No blank line here!
%+cpar_doendofthispar
\def\seteotpn@me{\edef\eotpn@me{at@ndofthispar\c@rrdstat}}% Which endofthispar macro?
\def\addtopreeotp#1{\seteotpn@me\edef\peotpn@me{pre\eotpn@me}%
  \trace{g}{\peotpn@me\space set}%
  \ifcsname \peotpn@me\endcsname\else\x@\let\csname \peotpn@me\endcsname\empty\fi
  \x@\x@\x@\x@\x@\x@\x@\gdef\x@\x@\x@\csname \x@\x@\x@\peotpn@me\x@\x@\x@\endcsname\x@\x@\x@{\csname \peotpn@me\endcsname%
    #1}}
\def\addtoeotp#1{\seteotpn@me
  \trace{g}{\eotpn@me\space set}%
  \ifcsname \eotpn@me\endcsname\else\x@\let\csname \eotpn@me\endcsname\empty\fi
  \x@\x@\x@\x@\x@\x@\x@\gdef\x@\x@\x@\csname \x@\x@\x@\eotpn@me\x@\x@\x@\endcsname\x@\x@\x@{\csname \eotpn@me\endcsname%
    #1}}
\def\do@ndofthispar{%
 \seteotpn@me
 %run code to insert picb@x / picb@xR at the right time.
 \x@\let\x@\pn@xt\csname \eotpn@me\endcsname
 \trace{g}{doendofthispar \ch@pter:\v@rse\c@rrdstat \space \the\pagetotal,
           \the\holdinginserts, page/chunk-\ifp@gestart start\else -middle\fi. \csname \eotpn@me Delay\endcsname}%
 \ifnum \holdinginserts=1 
   \temptrue %If iftemp stays true, then it's a valid insertion point.
   \ifx\pn@xt\empty\tempfalse\fi
   \ifinn@te\tempfalse\fi %No pictures in notes!
   \ifdiglot
     \ifp@gestart\tempfalse\fi
   \else 
     \ifinextended\else\ifdim\pagetotal=0pt \tempfalse\fi\fi
   \fi
   \ifx\pn@xt\empty\else
     \iftemp
       %Potential inclusion location. Check delay.
       \edef\temp{\csname\eotpn@me Delay\endcsname}%
       \ifx\temp\empty\else
         \let\pn@xt=\empty
         \trace{g}{\ch@pter:\v@rse. Delayed by specification (\temp)}%
         \x@\shrinkdel@y \temp\EDLY\relax
         \trace{g}{Delay for \eotpn@me set to \temp}%
         \x@\xdef\csname \eotpn@me Delay\endcsname{\temp}%
         \edef\eotpn@me{empty}%
       \fi
     \else
       \edef\eotpn@me{empty}%
       \let\pn@xt=\empty
       \trace{g}{\ch@pter:\v@rse. Not here (\ifx\pn@xt\empty nothing \fi \ifinn@te innote \fi) }%
     \fi
   \fi
   \ifx\pn@xt\empty\else
     % Time to acually include the picture
     \trace{g}{\eotpn@me\space used (\the\holdinginserts)\the\ht\picb@x / \the\ht\picb@xR}%
     %\nonstopmode
     %\show\pn@xt
     %\edef\pn@xt{\hbox{x}}% test code
     \x@\global\x@\let\csname\eotpn@me\endcsname=\empty
     \pn@xt\relax 
   \fi
  \fi
}

\def\shrinkdel@y#1|#2\EDLY{\trace{g}{shrink {#1}{#2}}\xdef\temp{#2}}
%-cpar_doendofthispar

%
% Handle a paragraph style marker (parameter is the marker name)
%
%+cpar_parstyle_intro
\newif\ifhe@dingstyle
\newif\ifJustifyPars \JustifyParstrue
\def\introAmbigious#1{\x@\def\csname intro@mbigious-#1\endcsname{t}}
\def\settest@mb#1{\x@\let\x@\test@mb\csname intro@mbigious-#1\endcsname}
\introAmbigious{iex} % iex can be intro or not intro.

\newcount\dropped@ther@lines
\dropped@ther@lines=0
\def\endit@P{%Called by whileitp@ps, to end a paragraph style
 \let\p@r=\par % end the paragraph
 \ifhmode\unskip % remove any trailing space
   \beginL\pdfsavepos\t@gendfull{P}{id="\adjc@rref[\the\curr@djpar]"}%
   \x@\write\x@\p@rlocs\x@{\x@\noexpand\x@\@parend\x@{\the\l@stparbadness}{\the\pdflastxpos}{\the\pdflastypos}{\the\lastdepth}}\endL       %(1)
   \global\l@stparbadness=-1
   %\ifnum\pagetracing>0\tracingparagraphs=1\ifnum\pagetracing>1\looseness=-1%\emergencystretch=1sp
   %  \fi\else\tolerance=10\fi
   \p@r
   \ifvmode
    %\ifdim\prevdepth>0pt \lastdepth=\prevdepth\else\lastdepth=-1pt \fi
   \else
     %\lastdepth=0pt
     \ifinner\trace{sa}{Inner mode at end of paragraph style \m@rker}\fi
   \fi
   {\count255=\prevgraf \trace{C}{endit@P: \the\dropped@ther@lines, \ifdr@ppednumber dropped num\fi, \pending@items, pgrf:\the\count255}}%
   \ifnum\pagetracing>0\tracingparagraphs=0\fi
   \ifnum 0\ifdr@ppednumber 1\else\ifnum\dropped@ther@lines>0 1\fi\ifx\pending@items\cstackempty\else1\fi\fi>0 % the preceding par had a dropped number or other cutout;                       %(2)
                    % add \nobreak if it was a single line, else clear the flag
     \x@\write\x@\p@rlocs\x@{\x@\noexpand\x@\@parlines\x@{\the\prevgraf}}%
     \ifnum\prevgraf=1 \nobreak\else 
       \dr@ppednumberfalse 
       \ifnum\prevgraf<\dropped@ther@lines \nobreak
       \fi
     \fi
     \ifnum\dropped@ther@lines>0
       \advance\dropped@ther@lines by -\prevgraf
     \fi
   \fi
 \fi
 \mcpop
}

\def\writep@rstart#1#2{%Call with #1 = fully expanded baselineskip
   \getp@ram{type}{#2}{#2}%
   \beginL\pdfsavepos\t@gstartfull{P}{#2}{lspace="#1" id="\adjc@rref[\the\curr@djpar]"}%
   \edef\tmp{{\ifdiglot\x@\dc@rref\else\x@\c@rref\fi}{\p@ram}}%
   \x@\write\x@\p@rlocs\x@{\x@\noexpand\x@\@parstart\tmp{#2}{#1}{\the\pdflastxpos}{\the\pdflastypos}}\endL
}

\newif\iftoplevelp@r
\newif\ifdebugthispar
\newif\ifdebugthisparearly
\def\endlastp@rstyle#1{%
 \ifdebugthisparearly\global\debugthisparearlyfalse\showlists\fi
 \getp@ram{spaceafter}{\m@rker}{\styst@k}% output any <spaceafter> for the  style active when the last paragraph ended.
 \global\let\spaceafterp@ram\p@ram
 \global\let\h@@kstyst@k\styst@k
 \ifsk@pping \egroup \fi % if we were skipping nonpublishable text, end that mode
 \let\p@r=\par
 \the\p@rstylehooks % allow other modules to hook in here
 \ifb@xedparstyle \trace{s}{b@xedstyle met in endlastp@rstyle! \styst@k}%
  \unskip\set@endb@xedstyle{\styst@kfirst}{\styst@k}\egroup%\showbox\tmpctsb@x
  \apply@endb@xedstyle{\tmpctsb@x}%
  %\showbox\tmpctsb@x
  \unhbox\tmpctsb@x
  \b@xedparstylefalse
 \fi
 \end@llpoppedstyles{P}%
 \ifdebugthispar\global\debugthisparfalse\showlists\fi
 \trace{s}{endlastp@rstyle #1 stack=\mcstack, styst@k:\styst@k}%
 \trace{ss}{endlastp@rstyle #1 stack=\mcstack}%
 \toplevelp@rtrue
 \def\d@##1+##2\E{\if##1P\relax\global\toplevelp@rfalse\let\d@=\cstackrelax\fi}%
 \mcdown
%-cpar_parstyle_intro
%+cpar_parstyle_after
 \t@stpublishability{#1}% test if the new marker is nonpublishable
 \ifn@npublishable
  \p@r% End the present paragaph, to make sure that cutouts, etc. are handled properly
  \setbox\j@nkbox=\vbox\bgroup\def\m@rker{#1}\sk@ppingtrue % and if so, start a box to consume and discard the text
 \else % else we need to actually process it!
  \ifx\m@rker\relax\else
    \if@ntro\mark{\intr@}\ifdiglot\x@\marks\csname m@rknum\c@rrdstat\endcsname{\intr@}\fi\fi
    \ifx\spaceafterp@ram\relax \else
      \ifhe@dings\nobreak\fi
      \vskip\spaceafterp@ram\verticalsp@ceunit                                              %(1)
    \fi
    %\edef\spc@ut{pdf:code EMC}\x@\special\x@{\spc@ut}%
  \fi
  %\ifx\mcstack\mcstack@mpty\else
    %\def\d@##1+##2\E{\edef\tmp{##2}%
      %\ifx\tmp\m@rker\else\ifx\m@rker\relax\else\MSG{Bad closing marker "\tmp" expecting "\m@rker"}\fi\fi}%
  
    %\mctop \mcpop                                                                 %(2)
  %\fi
  \cl@singhooks{after}{\m@rker}{\h@@kstyst@k}%
  \the\afterh@@ks
 \fi
}

\def\s@tsideskips#1#2{% REMINDER: sideskips cannot be set globally, or a sidebar might change main-paragraph formatting.
% #1 marker, #2 rag amount (or <=0pt for reading the glue
   \ifx\styst@k\empty
      \edef\tmpstyst@k{#1}%
   \else
      \let\tmpstyst@k\styst@k
   \fi
   \ifdim #2 > 0pt\edef\gl@e{#2}\else
     \getp@ram{glue}{#1}{\tmpstyst@k}%
     \ifx\p@ram\relax
       \def\gl@e{0.25\hsize}%
     \else
       \edef\gl@e{\p@ram\noexpand\hsize}%
     \fi
   \fi
   % inside \beginR rightskip is leftskip and leftskip is rightskip!
   \parfillskip=0pt plus 1fil
   \ifRTL \rightskip\else\leftskip\fi =0pt
   \ifRTL \leftskip\else\rightskip\fi =0pt \ifJustifyPars\else plus \gl@e\fi
   \ifRTL\beginR\fi
   \def\c@l{0}\ifnum\c@rrentcols>1 \relax
     \ifcsname startx:#1-\c@rref\endcsname
       \dimen0=\csname startx:#1-\c@rref\endcsname sp
     \else \ifcsname marginnote-\c@rref @#1:xshift\endcsname
         \dimen0=\csname marginnote-\c@rref @#1:xshift\endcsname% sp
       \else \dimen0=0pt
     \fi\fi \ifdim\dimen0>0.5 \textwidth \def\c@l{1}\fi
     \trace{C}{\the\dimen0, c@l=\c@l}%
   \else % single column
     \let\p@num\pageno \ifcsname pnum:#1-\c@rref\endcsname \x@\let\x@\p@num\csname pnum:#1-\c@rref\endcsname
     \else\ifcsname marginnote-\c@rref @#1:pageno\endcsname \x@\let\x@\p@num\csname marginnote-\c@rref @#1:pageno\endcsname\fi\fi
     \ifodd\p@num \def\c@l{1}\fi
   \fi
   \getp@ram{justification}{#1}{\tmpstyst@k}%
   \ifx\p@ram\@nner \ifnum\c@l=0 \let\p@ram\r@ght\else\let\p@ram\l@ft\fi
   \else\ifx\p@ram\@uter \ifnum\c@l=0 \let\p@ram\l@ft\else\let\p@ram\r@ght\fi\fi\fi
   \ifx\p@ram\c@nter
    \leftskip=0pt plus \hsize \rightskip=\leftskip \parfillskip=0pt
   \else\ifx\p@ram\l@ftb@l
    \ifRTL\leftskip\else\rightskip\fi=0pt plus \gl@e \parfillskip=1sp plus \gl@e
   \else\ifx\p@ram\l@ft
    \ifRTL\leftskip\else\rightskip\fi=0pt plus \gl@e \parfillskip=1sp plus 1fil
   \else\ifx\p@ram\r@ght
    \ifRTL\rightskip\else\leftskip\fi=0pt plus \gl@e \parfillskip=0pt
   \ifRTL \leftskip\else\rightskip\fi =0pt
   \fi\fi\fi\fi
   \getp@ram{leftmargin}{#1}{\tmpstyst@k}%
   \ifx\p@ram\relax \else \advance \ifRTL\rightskip\else\leftskip\fi\p@ram \IndentUnit \fi
   \getp@ram{rightmargin}{#1}{\tmpstyst@k}%
   \ifx\p@ram\relax \else \advance \ifRTL\leftskip\else\rightskip\fi\p@ram \IndentUnit \fi
   \trace{j}{s@tsideskips #1 (\styst@k). \the\leftskip/\the\rightskip, pf=\the\parfillskip}%
}

\def\p@rstyle#1{\trace{ss}{p@rstyle: #1, onto stack: \mcstack}%
 \edef\newp@rstyle{#1}%
 \global\let\oldch@rfont\empty % By 'definition' a para style clears oldch@rfont, as it's only here to check font-runs.
 \catcode32=12 % make <space> an "other" character, so it won't be skipped by \futurelet
 \catcode13=12 % ditto for <return>
 \catcode`\^=12
 \futurelet\n@xt\@@p@rstyle % look at following character and call \@@p@rstyle
}

\def\dop@rstyle#1{\trace{ss}{dop@rstyle: #1, onto stack: \mcstack}%
 \edef\newp@rstyle{#1}\global\let\f@ntextend\empty
 \@p@rstyle{#1}%
}

\catcode`\^=12
\catcode`\~=12 \lccode`\~=32 % we'll use \lowercase{~} when we need a category-12 space
\catcode`\_=12 \lccode`\_=13 % and \lowercase{_} for category-12 <return>
\lccode`\|=`\\
\let\thisch@rstyle\empty
\lowercase{
%-cchar_docharstyle_intro
%+cchar_docharstyle
 \let\@@st@risk*
 \global\let\@@spc~
 \let\@@nl_
\def\@@p@rstyle{%
  \catcode32=10 % reset <space> to act like a space again
  \catcode13=10 % and <return> is also a space (we don't want blank line -> \par)
  \trace{s}{parstyle: \newp@rstyle, next=\meaning\n@xt}%
  \ifx \n@xt^\relax
    \let\n@xt\@@@p@rstyle
  \else
    \global\let\f@ntextend\empty
    \ifx\n@xt\@@spc\let\n@xt\@p@rstyle@spc\trace{ss}{space delimiter for \newp@rstyle, after \m@rker}\else
      \ifx\n@xt\@@nl\let\n@xt\@p@rstyle@nl\trace{ss}{nl delimiter for \newp@rstyle}\else
        \let\n@xt\@p@rstyle
    \fi\fi
  \fi
  \x@\n@xt\x@{\newp@rstyle}%
}
\def\@p@rstyle@spc#1~{\@p@rstyle{#1}}
\def\@p@rstyle@nl#1_{\@p@rstyle{#1}}
}

\def\p@rcent #1#2#3#4\E{\ifx #3x.#1#2\else #1.#2#3\fi}
\def\@@@p@rstyle#1^#2 {%
  \xdef\f@ntextend{\p@rcent #2xx\E}%
  %\xdef\f@ntextend{#2}%
  \trace{s}{extending [\f@ntextend]}%
  \ifcsname #1^#2\endcsname\x@\@p@rstyle\x@{#1^#2}\else
  \x@\@p@rstyle\x@{#1}\fi
}

\def\ColAdjskip{0pt}
\catcode`\^=7
\catcode`\_=11
\def\thisp@rclass{}%
\def\lastp@rclass{}% What was the last paragraph type? 
\def\@p@rstyled@mp#1#2{\@p@rstyle{#1}}
\def\@p@rstyle#1{%
 \global\let\oldm@rker\m@rker
 \trace{H}{Starting par style #1 and ending the previous}%
 \endlastp@rstyle{#1}% This sets / unsets n@npublishable
 \ifn@npublishable\else
  \ifx\thisp@rcl@ss\undefined\else
    \let\lastp@rclass\thisp@rcl@ss
  \fi
  \op@ninghooks{between-\m@rker}{#1}{\styst@k}% OR: #1\ifx\styst@k\empty\else+\styst@k\fi}??% Run any between old par an current
  \traceifset{p@rstyle}%
  \gdef\m@rker{#1}% remember the new style name
%-cpar_parstyle_after
  %
  % now we check what kind of marker this is: intro? title? section? other?
  % and switch to the appropriate mode
  %
%+cpar_parstyle_transition
  \x@\t@stintro\m@rker\relax
  %If the marker is an (ultra-rare) type that occurs in introductions and normal text, then
  %set the intromarker flag based on what the current state (\if@ntro) is.
  \ifReenterIntroOK
    \settest@mb{\m@rker}\ifx\test@mb\relax\else
      \if@ntro\@ntromarkertrue\else\@ntromarkerfalse\fi 
    \fi
  \fi
  % \tr is treated as an intro marker if we're already in intro mode
  \if@tablerow\if@ntro\@ntromarkertrue\fi\fi
  \global\he@dingstylefalse
  \getp@ram{type}{\m@rker}{\m@rker}%
  \global\let\typep@ram\p@ram
  \let\B@xtype\empty%
  \ifx\p@ram\t@tle
    \mark{\t@tle}\ifdiglot\x@\marks\csname m@rknum\c@rrdstat\endcsname{\t@tle}\fi% 
    \ift@tle\else
      \ifhe@dings\endhe@dings\fi
        \let\thisp@rclass\t@tle
      \iftoplevelp@r\t@stpublishability{cat:titlebox|esb}\ifn@npublishable\else
        \let\B@xtype\t@tle
      \fi\fi
    \fi
    \iftoplevelp@r\st@rttitle\fi
    \global\he@dingstyletrue 
  \else\ifx\p@ram\s@ction                                                       %(1)
    \ift@tle\ifhe@dings\endhe@dings\fi\fi
    \let\thisp@rclass\s@ction
    \chkintrobody % Start intro / body text
    \global\he@dingstyletrue
  \else\ifx\p@ram\oth@r
    \ift@tle\ifhe@dings\endhe@dings\fi\fi
    \let\thisp@rclass\oth@r
    \chkintrobody % Start intro / body text
    \if@ntromarker\else\global\he@dingstyletrue\fi
  \else
    \ift@tle\ifhe@dings\endhe@dings\fi\fi
    \chkintrobody % Start intro / body text
  \fi\fi\fi                                                                     %(2)
  \iftoplevelp@r\ifhe@dingstyle\ifhe@dings\else
      \ift@tle\else
        \let\thisp@rclass\he@dings
        \testm@rkerexists{cat:\m@rker box|esb}\iftemp
          \t@stpublishability{cat:\m@rker box|esb}\ifn@npublishable\else
            \let\B@xtype\m@rker
          \fi
        \else
          \testm@rkerexists{cat:headingsbox|esb}\iftemp
            \t@stpublishability{cat:headingsbox|esb}\ifn@npublishable\else
              \def\B@xtype{headings}%
            \fi
          \fi
        \fi
      \fi
  \fi\fi\fi
  \ifx\B@xtype\empty\else
    \t@plevel@utoboxtrue
    \let\tmphb\m@rker
    \testm@rkerexists{cat:\m@rker box|esb}%
    \iftemp\let\B@xtype\m@rker
      \trace{eh}{Style exists for \m@rker box}%
    \fi
    \trace{eh}{Starting \B@xtype box for \m@rker}%
    \@sb\x@\cat\B@xtype box\cat*
    \let\m@rker\tmphb
  \fi
  \mcpushunderms{P}{#1}%
  \trace{s}{Pushed P+#1,  stack now: \mcstack [\styst@k]}%
  \let\styst@k=\empty
  \def\d@##1+##2+##3\E{\d@code{##1}{##2}\let\t@pstyle\tmp}\mctop
  \s@tstyst@k%
  \trace{H}{Marker type: \p@ram, stack: \mcstack [\styst@k] \space \styst@kfirst \space toplevel: \iftoplevelp@r True\else False\fi}%
  \getp@ram{spacebefore}{\m@rker}{\styst@k}\ifx\p@ram\relax\global\headingmidspace=0pt \else
    \global\headingmidspace=\p@ram\verticalsp@ceunit
  \fi
  \global\advance\headingmidspace by \ColAdjskip
  \headingtopspace=\headingmidspace
  \ifhe@dingstyle\trace{sa}{headingstyle true}%
    \ifhe@dings\s@tbaseline{\m@rker}{\styst@k}%In a heading again, may be different so set a new baseline
    \else
      % Headingtopspace gets removed at top of page, preserve for titles.
%      \getp@ram{spacebefore}{\m@rker}{\styst@k}\ifx\p@ram\relax\headingtopspace=0pt \else
%        \ift@tle\headingtopspace=0pt \else
%          \headingtopspace=\p@ram\verticalsp@ceunit
%          \ifinextended 
%            \ifx\sb@rgrid\gr@dorig\else
%              \ifx\lastp@rclass\empty %Top of side-bar
%                \headingtopspace=0pt
%            \fi\fi
%            \trace{e}{hts: \the\headingtopspace, gridding:\sb@rgrid, '\lastp@rclass','\thisp@rclass'}%
%          \fi
%      \fi\fi
      \ift@tle\headingtopspace=0pt \else
        \ifinextended 
          \ifx\lastp@rclass\empty %Top of side-bar: never any space
            \ifx\sb@rgrid\gr@dorig\else
              \ifx\sb@rgrid\gr@dheading\else
                \headingmidspace=0pt
                \headingtopspace=0pt
              \fi
          \fi\fi
          \trace{e}{hts: \the\headingtopspace, hms:\the\headingmidspace, gridding:\sb@rgrid, lpc:'\lastp@rclass' tpc:'\thisp@rclass'}%
        \fi
      \fi
      \setbox\he@dingbox=\vbox\bgroup\global\he@dingstrue
        \s@tbaseline{\m@rker}{\styst@k}% Obey baseline changes for headings
        \linepenalty=1000 % minimize line count
        \interlinepenalty=10000 % never break column/page between lines
        \XeTeXdashbreakstate=0 % mainly for ranges in \r
        \hyphenpenalty=10000 \exhyphenpenalty=10000 % don't hyphenate in headings
        \savingmarks % capture marks to propagate to the top level
        \trace{h}{marker = \m@rker, heading top space = \the\headingtopspace}%
    \fi
    \nobreak
  \else\trace{sa}{headingstyle false}%
    \ifhe@dings\endhe@dings\fi % this potentially closes the headingsbox, and other major changes to the style stack.
    \mcpushunderms{P}{#1}%
    \trace{s}{Pushed P+#1,  stack now: \mcstack [\styst@k]}%
    \let\styst@k=\empty
    \def\d@##1+##2+##3\E{\d@code{##1}{##2}\let\t@pstyle\tmp}\mctop
    \s@tstyst@k%
    \trace{H}{Marker type: \typep@ram, stack: \mcstack [\styst@k] \space \styst@kfirst \space toplevel: \iftoplevelp@r True\else False\fi}%
    \let\thisp@rclass\P@ra
    \s@tbaseline{\m@rker}{\styst@k}%
    \global\advance\baselineskip by \ColAdjskip
  \fi
 \op@ninghooks{before}{\m@rker}{\styst@k}%
 \let\stylet@pe\ss@Para % Thus must come this late, or grouping gives odd results sometimes..
  \ifdim\headingmidspace=0pt \else %\ifdiglot\else\vskip \ColAdjskip\fi\else
    \ifhe@dings\nobreak\fi
    \vskip\headingmidspace
    % \prevdepth=0pt % Allow line height to impact space before at top of columns. KEEP for next major revision.
  \fi
  \global\startparatrue
  \resetp@rstyle
%-cpar_parstyle_transition
  \b@xedstylefalse
  \ch@ckb@xedstyle{\styst@kfirst}{\styst@k}%
  \trace{s}{parstyle: \styst@k, (b@xedstyle\ifb@xedstyle true\else false\fi)}%
  \ifb@xedstyle
    \global\b@xedparstyletrue\else\global\b@xedparstylefalse\fi
  \p@rstyle@everypar{#1}%
  \traceifcheck{p@rstyle}%
 \fi}
%+cpar_parstyle_start

%Some user-supplied code may cause unwanted side-effects, e.g. to newch@rstyle 
\def\preservesettings{\let\epch@rstyle\newch@rstyle}
\def\restoresettings{\let\newch@rstyle\epch@rstyle}
\def\ch@pterc@tnum{}
%\newtoks\Flag
\def\p@rstyle@everypar#1{%
  \trace{sP}{Redefined everypar (#1)}%
  \everypar={%
   \trace{sP}{everypar! (#1) n=\the\p@rnum ch@pter\g@tdstat waiting:'\csname ch@pter\g@tdstat waiting\endcsname' \c@rref/\dc@rref (\the\ch@pterwd), \ifdr@ppednumber dr@ppednumber\fi\space \styst@kfirst\space mode=\the\currentgrouptype}%
   %
   % \everypar will be triggered when the paragraph actually starts (normally at the first character of text,
   % or something like a verse number); then we'll set up margins/indents and font
   %
   \preservesettings % Needed?
   \ifx\oldlinepenalty\relax\else
     \linepenalty=\oldlinepenalty
     \let\oldlinepenalty\relax
   \fi
   \the\@veryparhooks
   \restoresettings
   \x@\writep@rstart\x@{\the\baselineskip}{#1}%baselineskip must fully expanded as macro param, else it remains a macro and only L baseline is output on diglot/polyglot.
   %\edef\spc@ut{pdf:code /\c@rref \space BMC}\x@\special\x@{\spc@ut}%
   \ifdiglot\xdef\lastc@rref{\dc@rref}\else\xdef\lastc@rref{\c@rref}\fi\xdef\lastc@rradj{\the\curr@djpar}%
   \s@tsideskips{\styst@kfirst}{-1pt}%Probably need this here in case the par gets ended e.g. by end of book.
   \trace{sa}{\m@rker\g@tdstat\space iu=\the\IndentUnit, ls=\the\leftskip, rs=\the\rightskip}%
   \getp@ram{fontsize}{\styst@kfirst}{\styst@k}\edef\c@rrfontsize{\ifx\p@ram\relax12\else\p@ram\fi}%Need to set this before calling s@tfont, else that will consder the current fontsize as ruling.
   \setwh@tvrstyle% set up font attributes (based on style stack)
   \trace{j}{baselineskip=\the\baselineskip ; UseGlyphMetrics=\the\XeTeXuseglyphmetrics}%
   \trace{o}{paragraph #1, hsize=\the\hsize}%
   \allowp@rindenttrue
   \def\t@st{0}%
   \x@\ifx\csname ch@pter\g@tdstat waiting\endcsname\relax \ifdr@ppednumber \def\t@st{2}\fi\else \def\t@st{1}\fi
   \ifnum 0=\t@st 
     \trace{C}{allowp@rindenttrue (normal par)}%
   \else
     \ifversion{5}{%
       \ifIndentAtChapter\else \allowp@rindentfalse \trace{C}{\ptxversion v>=5 afterchap}\fi
       \iffirst@fterheading \ifIndentAfterHeading\else \allowp@rindentfalse \trace{C}{\ptxversion v>=5 afterheading}\fi\fi
     }{%
       \iffirst@fterheading \ifIndentAfterHeading\else \allowp@rindentfalse \trace{C}{\ptxversion v<5 afterheading}\fi\fi
       \ifnum 1=\t@st
         \ifIndentAtChapter\else \allowp@rindentfalse \trace{C}{\ptxversion v>=5 afterchap}\fi
       \fi
     }%
     \trace{C}{allowp@rindent \ifallowp@rindent true\else false\fi \space\t@st, (\iffirst@fterheading fah,\fi\ifIndentAfterHeading\else !\fi IAH,\ifIndentAtChapter \else !\fi IAC)}%
   \fi
   %
   % Generate top-level PDF bookmark if the \h book name has changed
   \pdfb@@kmark
   %\getp@ram{firstindent}{\m@rker}{\styst@k}\let\f@rstindent=\p@ram
   \getp@ram{firstindent}{\styst@kfirst}{\styst@k}\let\f@rstindent=\p@ram
   \dimen3=\ifx\p@ram\relax 0\else\p@ram\fi \IndentUnit
   \ifversion{5}{\ifallowp@rindent\else\ifdim \dimen3>0pt \dimen3=0pt \fi\fi}{}%
   \trace{C}{\m@rker\space at \c@rref\space allowp@rindent=\ifallowp@rindent true\else false\fi, dimen3=\the\dimen3\space \styst@kfirst/\styst@k}%
   %In the code below...
   % dimen3 is first line indent (see above)
   % dimen2 is the par indent.
   % dimen0 is the target total indent (d2+d3)
   % dimen4 is the left-over cutout (not supplied by indent)
%-cpar_parstyle_start
   %
   % handle drop-cap style chapter number, if this is the beginning of a chapter
   %
%+cpar_parstyle_chapter
   \ifinextended\else\x@\unless\x@\ifx\csname ch@pter\g@tdstat waiting\endcsname\relax
    \getp@ram{type}{\m@rker}{\m@rker}%
    \ifx\p@ram\v@rsetext
     \t@stpublishability{c}\ifn@npublishable
     \else
      % Before version 4->5 fix: Chapter numbers moved with indent.
      % Version 4 IndentAtChapter applied only to line1, par starting on line 2 had indent stacked on cutout.
      % Version 5 Indent at Chapter applies to line2 as well. No stacking.
      \m@kechapterbox
      \ifRTL\let\c@tcmd=\rightcutout\else\let\c@tcmd=\leftcutout\fi
      \xdef\ch@pterc@tnum{}%
      \getp@ram{leftmargin}{\styst@kfirst}{\styst@k}%
      \ifx\f@rstindent\relax\else\ifx\p@ram\relax
        \def\p@ram{0}% Can't use simple case if firstindent is defined
      \fi\fi
      \ifx\p@ram\relax % simple case - no left indent
        \x@\c@tcmd\x@{\the\ch@pterwd}{0}{2}%
        \xdef\ch@pterc@tnum{\the\@numcuts}% remember which cutout number the chapter number uses
        \let\tmp\empty\edef\tmpb{\the\ch@pterwd}%
      \else % probably \q or something like that;                               %(1)
            % need to compare cutout width with leftindent
        \dimen0=\p@ram\IndentUnit \dimen2=\dimen0
        \edef\tmp{(\p@ram\IndentUnit = \the\dimen2)}%
        \tempfalse
        \ifallowp@rindent \temptrue \else \ifversion{5}{\temptrue}{\ifdim\dimen3<0pt \temptrue\fi}\fi
        \iftemp
          \x@\def\x@\tmp\x@{\tmp + \the\dimen3}%% Logging info. Happens later.
          \ifversion{5}{}{%
            \ifdim\dimen3>0pt \advance \dimen3 by \ch@pterwd\relax\x@\def\x@\tmp\x@{\tmp  + \the\ch@pterwd}%% Logging info
          \fi}%
          \advance\dimen0 by \dimen3
          \dimen4=\ch@pterwd \advance\dimen4 by -\dimen0
          \edef\tmpb{\the\ch@pterwd - \the\dimen0}%
        \else
          \dimen4=\wd\ch@pterbox
          \advance\dimen0 by \dimen3
          \x@\def\x@\tmp\x@{\tmp  +(FLI=\the\dimen3)}%% Logging info
          \ifdim\dimen2>0pt 
            \edef\tmpb{\the\dimen4  - \the\dimen2}%% % Logging info
            \advance\dimen4 -\dimen2
          \else
           \edef\tmpb{\the\dimen4}%% % Logging info
          \fi
        \fi
        \trace{C}{Dropchap cutout is naturally \the\wd\ch@pterbox. Indent on line 1 is \the\dimen0 (\tmp) cutout1 \the\dimen4}%
        \ifdim\dimen4>0pt % if the chapter number doesn't fit there...
          \x@\c@tcmd\x@{\the\dimen4}{0}{1}% create extra indent
        \else % the indent is already big enough, so just use it as is
          \trace{C}{Dropchap box set to \the\dimen0, so it's properly aligned.}%
          \setbox\ch@pterbox=\hbox to \dimen0{\box\ch@pterbox\hfil}%
        \fi
        \dimen4=\ch@pterwd \advance\dimen4 by -\dimen2 % and for wrap if needed
        \ifdim\dimen4>0pt 
          \trace{C}{Dropchap cutout for 2nd line set to \the\dimen4}%
          \x@\c@tcmd\x@{\the\dimen4}{1}{1}%
          \xdef\ch@pterc@tnum{\the\@numcuts}% remember which cutout number the chapter number uses
        \else
          \xdef\ch@pterc@tnum{}%
        \fi
      \fi
      \x@\global\x@\let\csname ch@pter\g@tdstat waiting\endcsname\relax
      \dr@ppednumbertrue
     \fi
     % generate second-level PDF bookmark for the chapter
     \pdfch@ptermark
    \fi
%-cpar_parstyle_chapter
%+cpar_parstyle_drop
   \else
    \ifdr@ppednumber % second line of chapter number, need to check indent/cutout
     \trace{C}{dr@ppednumbertrue, line2 of chapter number}%
     \ifRTL\let\c@tcmd=\rightcutout\else\let\c@tcmd=\leftcutout\fi
     \getp@ram{leftmargin}{\styst@kfirst}{\styst@k}%
     \trace{C}{leftmargin? '\p@ram', \styst@kfirst, \styst@k}%
     \ifversion{5}{%
        \ifx\f@rstindent\relax\else\ifx\p@ram\relax
          \def\p@ram{0}% Can't use simple case if firstindent is defined
       \fi\fi
     }{}%
     \ifx\p@ram\relax % simple case - no left indent
       \ifx\ch@pterc@tnum\empty
         \trace{C}{New cutout needed}%
         \x@\c@tcmd\x@{\the\ch@pterwd}{0}{1}% No pre-existing cutout
       \else
         \trace{C}{Modifying existing cutout \ch@pterc@tnum}%
         \m@difychapcut{\ch@pterc@tnum}{\the\ch@pterwd}% modify current chapternumber cutout.
       \fi
     \else % probably \q or something like that;
           % need to compare cutout width with leftindent and 1stline indent
       \dimen0=\p@ram\IndentUnit \dimen2=\dimen0
       \advance\dimen0 by \dimen3
       % now \dimen0 is the real (target) indent of the 1st line
       \dimen5=0pt \ifcsname cut@width\ch@pterc@tnum\endcsname \x@\dimen5 \csname cut@width\ch@pterc@tnum\endcsname\fi
       \dimen4=\ch@pterwd \advance\dimen4 by -\dimen0 \relax
       \trace{C}{Modified cutout \ch@pterc@tnum\space (maybe) needed (paragraph is \the\dimen0 / (\the\dimen2+\the\dimen3), chapnum \the\ch@pterwd, \the\dimen4}%
       \ifdim\dimen4>0pt % if the chapter number doesn't fit there...
         \trace{sP}{Indent is insufficient: \the\dimen4, \the\dimen5}%
         \ifx\ch@pterc@tnum\empty
           \trace{C}{New cutout needed (\ch@pterc@tnum)}%
           \x@\c@tcmd\x@{\the\dimen4}{0}{1}% No pre-existing cutout
         \else
           \trace{C}{modifying (\ch@pterc@tnum - \csname cut@width\ch@pterc@tnum\endcsname)}%
           \ifversion{5}{\m@difychapcut{\ch@pterc@tnum}{\the\dimen4}}% modify current chapternumber cutout.
           {\m@difychapcut{\ch@pterc@tnum}{\the\ch@pterwd}%
            }% Old buggy version
         \fi
         %\ifdim\dimen3>0pt \dimen3=0pt\fi
       \else % the indent is already big enough, so just use it as is
        \trace{sP}{Indent is sufficient: \the\dimen3, \the\dimen4, \the\dimen5}%
        \ifversion{5}{\advance\dimen3 by -\dimen5}{%
          \ifversion{3}{\ifdim\dimen4 > -1pt \advance\dimen3 by -\dimen5\fi}{}}%
       \fi
     \fi
     \dr@ppednumberfalse
     \trace{hv}{Setting new chapter spacefactor (ep1)}%
     \spacefactor=\n@wchaptersf % prevent hanging verse number here
    \fi
   \fi\fi
   %\the\Flag
   \run@pending
%-cpar_parstyle_drop
%+cpar_parstyle_final
   \ifx\f@rstindent\relax \else
    \ifdim\dimen3 < 0pt
     \allowp@rindenttrue %
    \else
     \iffirst@fterheading \ifIndentAfterHeading\else \allowp@rindentfalse \fi\fi
    \fi
    \ifallowp@rindent % create first-line indent, unless suppressed at dropped chapter number
                      % (note that we don't suppress negative indents, as in \q1 etc)
     \trace{Ds}{\m@rker\ifdiglot\c@rrdstat\fi\space  First indent \f@rstindent * \the\IndentUnit, kern by \the\dimen3}%
     \kern\dimen3                                              %(1)
    \else
     \trace{Ds}{No par indent in \m@rker \space at \c@rref \space by \the\dimen3}%
    \fi
   \fi
   \getp@ram{justification}{#1}{\tmpstyst@k}%
   \ifx\p@ram\@nner \ifnum\c@l=0 \let\p@ram\r@ght\else\let\p@ram\l@ft\fi
   \else\ifx\p@ram\@uter \ifnum\c@l=0 \let\p@ram\l@ft\else\let\p@ram\r@ght\fi\fi\fi
   \tempfalse
   \ifRTL\ifx\p@ram\l@ft \temptrue\else\ifx\p@ram\c@nter \temptrue\fi\fi
   \else\ifx\p@ram\r@ght \temptrue\else\ifx\p@ram\c@nter \temptrue\fi\fi\fi
   \dimen5=\wd\ch@pterbox
   \ifvoid\ch@pterbox\else \iftemp\vadjust{\vbox to 0pt{\kern -\ht\ch@pterbox \box\ch@pterbox}}\else\kern-\wd\ch@pterbox \box\ch@pterbox\fi \fi
   \iftemp\@numcuts=0\fi
   \global\p@ranesting=1
   \let\tmpn@xtparstart\n@xtparstart\gdef\n@xtparstart{}% Allow n@xtparstart to re-trigger itself
   \tmpn@xtparstart
   \op@ninghooks{start}{\m@rker}{\styst@k}%handle <start> hook
   \ifdr@ppednumber \trace{hv}{Setting new chapter spacefactor (ep2)}%
     \spacefactor=0\n@wchaptersf \fi
   % set special \spacefactor if we're at a chapter number, so \v 1 can omit the verse number here
   \startparafalse\first@fterheadingfalse
   \ifb@xedparstyle
      \trace{s}{Par settings requesting boxing}%
      \setbox\tmpctsb@x\hbox\bgroup
   \fi
  }% end everypar
}
%-cpar_parstyle_final

\def\m@difychapcut#1#2{%Change the width of an existing cutout
  \trace{C}{Modifying cutout #1 width to be #2 from \csname cut@width#1\endcsname, length: \csname cut@lines#1\endcsname }%
  \expandafter\xdef\csname cut@width#1\endcsname{#2}%
}
%+cpar_pdfbookmark
\newif\ifRTL
\newif\ifallowp@rindent
\newif\ifdr@ppednumber
\newif\ifdr@ppedother
\dr@ppedotherfalse
\newif\ifIndentAtChapter
\newif\ifIndentAfterHeading \IndentAfterHeadingtrue
\newif\ifOmitVerses \OmitVersesfalse
\newif\ifDropActions \DropActionsfalse
\def\n@wchaptersf{998}
\let\book\relax
\let\prevb@ok\relax
\let\bookR\relax
\let\prevb@okR\relax
\def\pdfb@@kmark{\ifdiglot\ifx\c@rrdstat\PDFBookMarkColumn\relax \pdfb@@km@rkD\fi\else\pdfb@@km@rk\fi}

\newif\ifActions \Actionstrue
\def\pdf@utline#1#2#3{%
% #1 dest id, #2 outline title, #3 outline level
  \ifActions
    \special{pdf:dest (#1) [@thispage /Fit]}%
    \special{pdf:outline #3 << /Title (#2) /A << /S /GoTo /D (#1) >> >>}%
  \else
    \special{pdf:outline #3 << /Title (#2) /Dest [@thispage /Fit] >>}%
  \fi
}

\def\pdfb@@km@rk{\trace{V}{pdfbookmark: \book \space after \prevb@ok}%
 \ifx\book\prevb@ok\else
  \global\dr@ppednumberfalse
  \ifDropActions\else\bgroup\liter@lspecials
    \ifx\book\relax \let\t@mp=\id@@@ \else \let\t@mp=\book\fi
    \ifrefbookmarks\let\t@mp=\id@@@\fi
    \pdf@utline{\id@@@.}{\t@mp}{0}%
    \global\let\prevb@ok\book\egroup\fi
 \fi}

\def\Alternative{\ /\ }%
\let\PDFBookMarkColumn=\relax
\let\b@okDiglot\empty

%Build a \Alternative separated list of book names 
\def\buildb@@k#1{\bgroup\liter@lspecials\edef\bbtmp{#1}\x@\let\x@\t@st\csname book\if L\bbtmp\else\bbtmp\fi\endcsname
  \ifx\t@st\relax\let\t@st\id@@@\fi
  \ifx\b@okDiglot\t@st\else 
    \ifx\b@okDiglot\empty\xdef\b@okDiglot{\t@st}\else\xdef\b@okDiglot{\b@okDiglot\Alternative\t@st}\fi
  \fi
  \trace{d}{b@okDiglot(#1) is \b@okDiglot (\bbtmp / \t@st)}%
 \egroup
}

\def\pdfb@@km@rkD{\ifDropActions\else
 %\tracingmacros=1
 %\tracingassigns=1
 \let\col@do\buildb@@k
 \let\b@okDiglot\empty
 \x@\each@col\diglot@list\E
 %\message{Bookname now: \b@okDiglot}%
 \ifx\b@okDiglot\prevb@okD\else
  \bgroup\liter@lspecials
   \ifrefbookmarks\let\t@mp=\id@@@\else\let\t@mp=\b@okDiglot\fi
   \pdf@utline{\id@@@.}{\t@mp}{0}%
   \global\let\prevb@okD\b@okDiglot
  \egroup
 \fi\fi}
%-cpar_pdfbookmark

%+cpar_pdfchaptermark
\def\prevch@p{}
\def\pdfch@ptermark{\ifDropActions\else\ifdiglot\ifx\c@rrdstat\PDFBookMarkColumn\relax \pdfch@pterm@rk\fi
                                        \else\pdfch@pterm@rk\fi\fi}
\def\pdfch@pterm@rk{%
  \ifx\prevch@p\ch@pter\else
    \bgroup\liter@lspecials
    \edef\@@side{\g@tdstat}%
    \ifdiglot
      \let\t@mp\b@okDiglot
    \else
      \let\t@mp\book
    \fi
    \x@\let\x@\t@mp\csname book\@@side\endcsname
    \ifrefbookmarks\let\t@mp=\id@@@\fi
    \ifx\book\relax \let\t@mp=\id@@@ \fi
    \pdf@utline{\id@@@\@@side\ifOneChapBook\else.\ch@pter\fi}{\t@mp\ifOneChapBook\else\space\ch@pter\fi}{1}%
  \egroup\fi}

\newif\ifrefbookmarks
%-cpar_pdfchaptermark

%+cpar_initparlocs
\newwrite\p@rlocs
\newread\readp@rlocs
\def\initp@rlocs{%
  % check if there's a delayed-chapters file from a previous run
  \openin\readp@rlocs="\j@bname.delayed"
  \ifeof\readp@rlocs \let\n@xt\relax
  \else \def\n@xt{\input "\j@bname.delayed"}\fi
  \closein\readp@rlocs
  % and if so, read it so we'll use those settings
  \n@xt
}
\addtoinithooks{\initp@rlocs}
\def\locs@startstop#1#2#3{%
  %\showboxdepth=99
  %\showboxbreadth=99
  \let\old@ep=\everypar
  \everypar{}%
  \setbox#1\vbox to \ht#2{%
    %\hsize=\wd#1%
    \edef\dc@ref@rgs{\string\@colstart{\the\ht#2}{\the\dp#2}{\the\wd#2}}%
    \pdfsavepos
    \x@\write\x@\p@rlocs\x@{\dc@ref@rgs{\the\pdflastxpos}{\the\pdflastypos}}%
    \edef\dc@ref@rgs{avail="\the\availht" width="\the\wd#2"}%
    \t@gstartfull{Column}{#3}{\dc@ref@rgs}%
    \unvbox#1%
    \pdfsavepos\t@gend{Column}%
    \write\p@rlocs{\string\@colstop{\the\pdflastxpos}{\the\pdflastypos}}%
    %\MSG{\dc@ref@rgs (\the\hsize) ->}%
    }%
    %\MSG{\the\ht#1,\the\dp#1,\the\wd#1}%
    %\showbox#1
}
%-cpar_initparlocs

%+cpar_finishparlocs
\def\finishp@rlocs{%
  \immediate\closeout\p@rlocs
  \trace{x}{Starting parlocs processing}%
  \catcode`\{=1 \catcode`\}=2 \m@kedigitsother \catcode`\@=11
  \immediate\openout\delayf@le="\j@bname.delayed"
  %\tracingassigns=1
  \catcode`\#=12
  \input "\j@bname.parlocs"
  \catcode`\#=6
  \immediate\closeout\delayf@le
  \trace{x}{Finished parlocs processing}%
}
\newif\ifdelay@pen
\let\delayf@le=\p@rlocs % we write the delay file while reading the finished parlocs, so we can re-use the write stream
\addtoendhooks{\finishp@rlocs}
%-cpar_finishparlocs


% commands that get written to the parlocs file to record locations

%+cpar_parloccmds
%prev@y is the pdf y pos of the current paragraph
%this@y is the pdf y pos of the last line within the paragraph 
%thispar@lines is number of lines in the (recently finished) paragrpah
%
\newcount\prev@y \newcount\this@y \newcount\thing@y
\newcount\tmp@lines \newcount\thispar@lines
\newcount\p@rlinesgoneMonoglot
\let\p@rlinesgone\p@rlinesgoneMonoglot

\def\this@pgno{}
\def\par@items{,}   % \cstackempty but not defined yet
\x@\newif\csname ifinp@r-\endcsname

\def\calc@p@rlinesgone#1#2{%
  \ifcsname baselineskip@\c@rrdstat\endcsname
    \baselineskip=\csname baselineskip@\c@rrdstat\endcsname
    \relax % Must end look-ahead from setting baselineskip
  \fi
  \ifdim 100sp>\baselineskip \trace{C}{baselineskip too low}%
  \else
    \trace{C}{#2: \the\p@rlinesgone \space += #1 / \the\baselineskip}%
    \ifdim #1 > 1pt
      \advance\p@rlinesgone by \numexpr \dimexpr #1 / \baselineskip \relax\relax
    \fi
  \fi
  \trace{C}{#2: ( #1  / \the\baselineskip) -> \the\p@rlinesgone}%
}

\def\@parstart#1#2#3#4#5#6{%
% #1 curref, #2 type, #3 mrkr, #4 baselineskip, #5 xstart, #6 ystart
  \prev@y=#6\relax
  \dimen1=\numexpr \prev@col@y - \prev@y\relax sp\relax
  \edef\prev@col@ht{\the\dimexpr \tot@col@ht - \dimen1\relax}%
  \edef\@@parlocsref{#1}%
  \trace{C}{@parstart #3 \tot@col@ht - \the\dimen1 = \prev@col@ht}%
  \csname inp@r-\c@rrdstat true\endcsname
  \x@\xdef\csname baselineskip@\c@rrdstat\endcsname{#4}\relax\p@rlinesgone=1\relax\let\par@items\cstackempty
  \getp@ram{justification}{#3}{#3}%
  \ifnum \ifx\p@ram\@nner 1\else\ifx\p@ram\@uter 1\else 0\fi\fi =1
    \immediate\write\delayf@le{\string\ParPos{#3}{#1}{\this@pgno}{#5}}\fi
}

\def\ParPos#1#2#3#4{
%   #1 mrkr, #2 c@rref, #3 pageno, #4 start xpos
  \x@\xdef\csname startx:#1-#2\endcsname{#4}%
  \x@\xdef\csname pnum:#1-#2\endcsname{#3}%
  %\trace{C}{startx:#1-#2 = [#3] #4}%
}

\def\@parend#1#2#3#4{%
  \this@y=#3\relax
  \ifnum\this@y=\prev@y 
    \x@\ifdim\x@ 0pt\x@=\csname baselineskip@\c@rrdstat\endcsname
      \advance\p@rlinesgone by 1
    \fi
  \else
    \relax\calc@p@rlinesgone{\the\dimexpr \numexpr \prev@y-\this@y\relax sp\relax}{parend}%
  \fi
  \csname inp@r-\c@rrdstat false\endcsname
}

\def\@parlen#1#2#3#4#5#6{}
\def\@noteid#1#2#3#4#5#6{}
\def\@parpageend#1#2#3{}
\def\@parnote#1#2#3#4#5#6{}
\def\@notebox#1#2#3{}

\def\@nontextstart#1#2{\xdef\n@ntextstart{#2}}%
\def\@nontextstop#1#2{%
  \csname ifinp@r-\c@rrdstat\endcsname
    \ifcsname n@ntextstart\endcsname
      \dimen1=\dimexpr \n@ntextstart sp - #2 sp\relax
      \trace{C}{Non text for \n@ntextstart -#2 (=\the\dimen1)}%
      \edef\tot@col@ht{\the\dimexpr \tot@col@ht -\dimen1\relax}%
      \edef\prev@col@ht{\the\dimexpr \prev@col@ht -\dimen1\relax}%
  \fi\fi
}%

\def\@pgstart#1#2#3#4{%
  \xdef\this@pgno{#1}}

\newif\ifp@rlengthimportant

\def\@@colstart#1#2#3#4#5{%
  \trace{C}{@colstart: \the\p@rlinesgone.}
  \edef\prev@col@x{#4}%
  \edef\prev@col@y{#5}%
  \prev@y=#5\relax
  \edef\tot@col@ht{\the\dimexpr #1 + #2\relax}%
  \let\prev@col@ht\tot@col@ht
  \edef\prev@col@wd{#3}%
  \p@rlengthimportantfalse
}
\@@colstart{0pt}{0pt}{0pt}{0}{0}
\def\@@colstop#1#2{%
  \edef\this@col@x{#1}%
  \edef\this@col@y{#2}%
  %\prev@y=#1
  \trace{C}{colstop:\c@rrdstat:\par@items}%
  \csname ifinp@r-\c@rrdstat\endcsname
    \calc@p@rlinesgone{\the\dimexpr \prev@col@ht\relax}{colstop}%
  \fi
  \let\d@=\check@pagefoot
  \x@\cstackdown\par@items\E
}
\def\@colstart#1#2#3#4#5{%
  \let\p@rlinesgone=\p@rlinesgoneMonoglot
  \@@colstart{#1}{#2}{#3}{#4}{#5}}
\def\@colstop#1#2{\def\c@rrdstat{}%%
  \@@colstop{#1}{#2}}
%Do somehing clever for items that are near 
%the end of the column.. Problem: the ones we're
%interested in doing clever things with were not put
%on the pending stack. Use a new stack, \par@items and
%...  Do somthing with it. At the moment just moan.
\def\check@pagefoot#1|#2|#3\E{%
  \ifnum #3 < \this@col@y
  \dimen1=\this@col@y sp
  \advance \dimen1 by -#3 sp
  \MSG{*** item type '#1' in cutout at #2 drops below the bottom of the column(by more than \the\dimen1)}%
  \fi
}

\def\@parlines#1{%
  \thispar@lines=#1
%  \MSG{* calculated \string\DelayedChapter{\pendingb@@k}{\pendingch@pter}{\the\this@y}}%
  %\ifx\pendingb@@k\empty\else
    %\ifdr@ppednumber
      %\wr@teDelayedChapter{\pendingb@@k}{\pendingch@pter}{\the\thispar@lines}%
      %\let\pendingch@pter\empty\let\pendingb@@k\empty
    %\fi
  %\fi
  \trace{C}{parlines: \the\thispar@lines =\the\p@rlinesgone?}%
  \ifnum \thispar@lines=\p@rlinesgone\else
    \ifp@rlengthimportant\let\tmp\MSG\else\let\tmp\message\fi
    \tmp{*** Mismatch between calculated (\the\p@rlinesgone) and reported (\the\thispar@lines) lines for paragraph starting \@@parlocsref, on page \this@pgno.  Cutouts may not have been calculated properly}%
    \let\tmp\undefined
  \fi
  \ifx\pending@items\cstackempty\else
    \trace{C}{Before parlines: pending: \pending@items}%
   % \thispar@lines=\prev@y\advance\thispar@lines by -\this@y
   % \divide\thispar@lines by \baselineskip
    \def\D@IT{%
      %\tmp@lines=\thing@after
      \ifnum\thing@after>500\MSG{*** Rubbish data got into parlocs file.  \this@thing\space\thing@ref\space ignored}%
      \else
        \ifnum\thing@after>\thispar@lines
          \MSG{*** \this@thing\space \thing@ref Is supposed to be delayed by \thing@after lines, but paragraph is \the\thispar@lines long}%
          \tmp@lines=\thing@after
          \advance\tmp@lines by -\thispar@lines
          \edef\thing@after{\the\tmp@lines}%
          \add@pending{\this@thing}{\thing@ref}{\the\this@y}{\thing@wd}{\thing@ht}{\thing@after}{\thing@side}%
      %\this@y=#2\relax
      %\ifnum\thing@y=0% First time. Don't adjust anything
        \else
          \ifnum\thing@y<\this@y
            \MSG{*** unable to determine \string\DelayedItem\space setting for \this@thing/\thing@ref (\the\thing@y, \the\this@y), removed from list}%
          \else
            \tmp@lines=\thing@y
            \advance\tmp@lines by -\this@y
            \divide\tmp@lines by \baselineskip
            \advance\tmp@lines by \thing@after
            \MSG{\this@thing \thing@ref [ \thing@after=>\the\tmp@lines]}%
            \add@pending{\this@thing}{\thing@ref}{\the\this@y}{\thing@wd}{\thing@ht}{\thing@after}{\thing@side}%
          \fi
        \fi
      \fi
    }%
    \let\d@=\parse@pending
    \let\tmp\pending@items
    \global\let\pending@items\cstackempty
    \x@\cstackup\tmp\E
    \trace{C}{After parlines: pending: \pending@items}%
  \fi
  \let\n@xtline=\relax
  \trace{C}{Pending: \pending@items}%
  \ifx\pending@items\cstackempty\else
    \let\d@=\write@pending
    \x@\cstackdown\pending@items\E
  \fi
}
%-cpar_parloccmds

%+cpar_delayedchap
%\def\@delayedchapter#1#2#3#4{\chap@y=#4\relax
  %\ifnum\prev@y<\chap@y % para start was lower than chapter number, must have passed a col/page break
    %\def\pendingb@@k{#1}%
    %\def\pendingch@pter{#2}%
  %\else % para start level with or above chapter number; OK to calculate # of lines
    %\advance\prev@y by -\chap@y
    %\divide\prev@y by \baselineskip
    %\MSG{* calculated \string\DelayedChapter{#1}{#2}{\the\prev@y}}%
    %\wr@teDelayedChapter{#1}{#2}{\the\prev@y}%
  %\fi}

\def\@delayedchapter#1#2#3#4{% Part of post-run processing
  \trace{C}{delayedchapter #1 #2 #3 #4}%
  \@delayedthing{chapter}{#1#2.0}{#4}{\the\ch@pterwd}{2}{0}{\ifRTL R\else L\fi}{#3}{#4}}

% @delayedthing
% #1 - type-code (determines flexibility of position
% #2 - Reference trigger point
% #3 - ?
% #4 - cutout width  (pt)
% #5 - cutout length (lines)
% #6 - Cutout delay
% #7 - cutout side
% #8 - pdfpos X
% #9 - pdfpos Y
\def\HistoricDelays#1#2#3#4{%
  \x@\edef\csname historicdelays-#1\endcsname{#2}% A count of how many times this item has been (re)positioned
  \x@\edef\csname lastdelay-#1\endcsname{#3}% The last user-requested delay
  \x@\edef\csname historicdelay-#1\endcsname{#4}% History of computed delay positions
}
\def\@delayedthing#1#2#3#4#5#6#7#8#9{%Part of post-run processing
  \thing@y=#9\relax 
  \ifcsname baselineskip@\c@rrdstat\endcsname
    \baselineskip=\csname baselineskip@\c@rrdstat\endcsname
  \fi
  \trace{C}{delayedthing (prev:\the\prev@y) #1 #2 #3 #4 #5 #6 #7 #8 #9, bl:\the\baselineskip}%
  %First, remember where the bottom of the item probably is.
  \tmp@lines=\thing@y
  \trace{C}{\the\tmp@lines}% 
  \dimen1=\dimexpr #5 \baselineskip\relax %how many lines the item is
  \trace{C}{... -\the\dimen1}% 
  \advance\tmp@lines by -\dimen1
  \dimen1=#6 \baselineskip % delay of the item
  \trace{C}{... -\the\dimen1}% 
  \advance\tmp@lines by -\dimen1
  \xdef\par@items{\cstackpush{\par@items}{#1|#2|\the\tmp@lines}}% Add end-point to stack checking.
  \tmp@lines=\numexpr (\prev@y - \thing@y) / \number\baselineskip\relax % numexpr division rounds properly, rather than truncation
  \trace{C}{(\the\prev@y - \the\thing@y) / \the\baselineskip = \the\tmp@lines}%
  \advance\tmp@lines by #6
  \advance\tmp@lines by \p@rlinesgone
  \advance\tmp@lines by -1 % starting on 1st line is 0, not 1.
  \trace{C}{* calculated \string\DelayedItem{#1}{#2}{\the\tmp@lines} (#4 x#5 @#6)}%
  %\add@pending{#1}{#2}{\the\thing@y}{#4}{#5}{\the\tmp@lines}{#7}%
  \ifnum\tmp@lines>3 \p@rlengthimportanttrue\fi
  \wr@teHistoric{#1}{\the\tmp@lines}{#6}%
  \wr@teDelayedItem{#1}{#2}{\the\tmp@lines}{(#4x#5@#6)#7}%
}
\def\wr@teHistoric#1#2#3{%
  \ifcsname historicdelays-#1\endcsname 
    \edef\tmpc{\the\numexpr 1+\csname historicdelays-#1\endcsname\relax}%
  \else
    \edef\tmpc{0}%
  \fi
  \edef\dc@ref@rgs{\string\HistoricDelays{#1}{\tmpc}{#3}{\ifcsname historicdelay-#1\endcsname\csname historicdelay-#1\endcsname,\fi#2}}%
  \ifcsname lastdelay-#1\endcsname \edef\tmp{#3}%
    \x@\ifx\csname lastdelay-#1\endcsname\tmp \else
      \edef\dc@ref@rgs{\string\HistoricDelays{#1}{0}{#3}{#2}}%
      \x@\edef\csname historicdelays-#1\endcsname{0}% reset count to 0
    \fi
  \fi
  \immediate\write\delayf@le{\dc@ref@rgs}%
}
%-cpar_delayedchap

%+cpar_writedelayed
\def\setCutoutSlop#1#2#3{\x@\xdef\csname raiselimits-#1\endcsname{#2,#3}}
\def\setCutoutSlopDefault#1#2{\xdef\defaultSlop{#1,#2}}
\setCutoutSlop{chapter}{1}{0} % Up,Down
\setCutoutSlopDefault{2}{1}% 2 up, 1 down
\def\@@getCutoutSlop#1{\x@\let\x@\r@iselimit\csname raiselimits-#1\endcsname}%
\def\g@tCutoutSlop#1{\@@getCutoutSlop{#1}\ifx\r@iselimit\relax\x@\p@rselimit\defaultSlop\E\else\x@\p@rselimit\r@iselimit\E\fi}
\def\p@rselimit#1,#2\E{\edef\@djustmin{-#1}\edef\@djustmax{#2}}
\def\Rerun#1#2#3{}
 
\def\wr@teDelayedItem#1#2#3#4{% Part of post-run processing
  %\wr@teDelayedItem{thingtype}{curref}{delay}{cutout wd}{cutout ht}{cutout after}{cutout side}%
  \edef\c@rref{#2}%
  \trace{C}{wDI}%
  \delay@test{#1}% 
  \raise@test{#1}%
  \ifx\t@std@lay\relax \pr@vdelay=0 
  \else \pr@vdelay=\t@std@lay\fi
  \th@sdelay=#3\relax % Delay calculated here
  \ifnum\pr@vdelay=\th@sdelay % if the delay value is unchanged, all is good
    \ifx\t@str@ise\relax
      \trace{C}{PARLOC:ok}%
    \else
       \ifdim\t@str@ise pt=0pt\else
         \immediate\write\delayf@le{\string\Rerun{#1}{F}{No need for RaiseItem}}%
         \MSG{PARLOC: Rerun. RaiseItem was applied for #1 #2, but not needed}%
       \fi
    \fi
  \else
    \tmp@lines=\pr@vdelay
    \advance\tmp@lines by -\th@sdelay % Negative if the image/chapnum is going up, +ve if going down
    %\ifx\t@str@ise\relax \else \count255=\t@str@ise\advance\tmp@lines by -\count255\fi
    %\ifnum\tmp@lines <0 \count255=-\tmp@lines\else\count255=\tmp@lines\fi
    \g@tCutoutSlop{#1}%
    \ifcsname historicdelays-#1\endcsname
      \x@\let\x@\tmpl\csname historicdelays-#1\endcsname
      \ifnum \@djustmin < -\tmpl
        \trace{C}{Limiting @djustmin to -\tmpl, as it's an early cycle}%
        \edef\@djustmin{-\csname historicdelays-#1\endcsname}%
      \fi
      \ifnum \tmpl < -\@djustmax
        \trace{C}{Limiting @djustmax to \tmpl, as it's an early cycle}%
        \edef\@djustmax{\csname historicdelays-#1\endcsname}%
      \fi
    \else
    \fi
    \trace{C}{tmplines =\the\tmp@lines. OK if \@djustmin <= tmplines <=  \@djustmax}%
    \tempfalse
    \edef\@accept@djmin{\@djustmin}%
    \edef\@accept@djmax{\@djustmax}%
    \ifnum \tmp@lines<\@djustmin\relax 
      \edef\@accept@djmin{\the\tmp@lines}%
      \temptrue
    \fi
    \ifnum \tmp@lines>\@djustmax\relax 
      \edef\@accept@djmax{\the\tmp@lines}%
      \temptrue
    \fi  % if new delay is <2 away than old, we can use \RaiseItem
    \iftemp
      \MSG{PARLOC: Rerun. Delayed #1 setting changed (from \the\pr@vdelay to \the\th@sdelay) at #2.}%
      \immediate\write\delayf@le{\string\Rerun{#1}{T}{Position changed}}%
      \message{Current slop: \string\setCutoutSlop{#1}{\the\numexpr -\@djustmin\relax}{\@djustmax}}%
      \message{Would use RaiseItem if: \string\setCutoutSlop{#1}{\the\numexpr -\@accept@djmin\relax}{\@accept@djmax}}%
    \else
      \th@sdelay=\pr@vdelay % Retain past delay and (if needed) use raiseitem
      \multiply\tmp@lines by -1 % change sign to match semantics of raise.
      \ifx\t@str@ise\relax
        \ifnum\tmp@lines=0\else
          \ifx\t@std@lay\relax\else
            \MSG{PARLOC: Rerun. RaiseItem needed at #1 #2}%
            \immediate\write\delayf@le{\string\Rerun{#1}{F}{Need RaiseItem}}%
            \temptrue
          \fi
        \fi
      \else 
        \ifnum\tmp@lines=\t@str@ise
          \ifnum\tmp@lines=0\relax\else % Need the same RaiseItem we had last time. 
            \trace{C}{PARLOC: OK.  RaiseItem still needed at #1 #2}%
            \temptrue
          \fi
        \else 
          \MSG{PARLOC: Rerun with new RaiseItem (by \the\tmp@lines was \t@str@ise) at #1 #2}%   
          \temptrue
          \immediate\write\delayf@le{\string\Rerun{#1}{F}{RaiseItem changed}}%
        \fi
      \fi
      \iftemp
        \immediate\write\delayf@le{\string\RaiseItem{#1}{#2}{\the\tmp@lines}}%
      \fi
    \fi
  \fi
  \immediate\write\delayf@le{\string\DelayedItem{#1}{#2}{\number\th@sdelay}{#4}}%
}
\newcount\pr@vdelay \newcount\th@sdelay
\newif\ifsk@pping \newbox\j@nkbox
\newbox\tmpctsb@x
%-cpar_writedelayed

% Create the drop-cap in \ch@pterbox
%+cpar_makechapterbox
\newdimen\ch@pterwd
\newdimen\ch@pterdp
\newbox\ch@pterbox
\newbox\ch@pternote
\def\beforechapternum#1#2#3{}
\def\afterchapternum#1#2#3{}
\def\AfterChapterSpaceFactor{3}
\def\printchapter#1{#1} % Any decoration, etc, for chapter numbers
\def\printaltchapter#1{(#1)} % Any decoration, etc, for alternative chapter numbers

\def\m@kechapterbox{%
 \trace{sP}{m@kechapterbox for \ch@ptert@xt, reftooltip\ifreftooltip true\else false\fi}%
 \edef\@seglyphmetrics{\the\XeTeXuseglyphmetrics}\XeTeXuseglyphmetrics=3%
 \csname PrepChapterNumber\endcsname
 \getp@ram{rightmargin}{c}{c}%
 \let\ch@pterrmargin\p@ram
 \ifx\ch@pterrmargin\relax\else\ifdim 0pt=\ch@pterrmargin\IndentUnit \let\ch@pterrmargin\relax\fi\fi
 \getp@ram{leftmargin}{c}{c}%
 \let\ch@pterlmargin\p@ram
 \ifx\ch@pterlmargin\relax\else\ifdim 0pt=\ch@pterlmargin\IndentUnit \let\ch@pterlmargin\relax\fi\fi
 \getp@ram{justification}{c}{c}%
 \setbox\ch@pterbox=\hbox{%
    \ifx\p@ram\r@ght
      {\beforechapternum{\id@@@}{\book}{\ch@pter}}%
      \s@tfont{c}{c}\printchapter{\ch@ptert@xt}%%
      \ifx\ch@pteraltt@xt\empty\else
        \s@tfont{c+ca}{ca}\printaltchapter{\ch@pteraltt@xt}%
      \fi
    \else
      \ifx\ch@pterlmargin\relax\else\kern \ch@pterlmargin\IndentUnit\fi
      {\beforechapternum{\id@@@}{\book}{\ch@pter}}%
      \s@tfont{c}{c}\printchapter{\ch@ptert@xt}%
      \ifx\ch@pteraltt@xt\empty\else
        \s@tfont{c+ca}{ca}\printaltchapter{\ch@pteraltt@xt}%
      \fi
    \fi
    {\afterchapternum{\id@@@}{\book}{\ch@pter}}%
 }%
 \ifx\p@ram\r@ght
   \ifx\ch@pterrmargin\relax\let\ch@pterrmargin\ch@pterlmargin\fi
   \ifx\ch@pterrmargin\relax\def\ch@pterrmargin{0}\fi
   \trace{sP}{chapterbox right-aligned}%
   \setbox\ch@pterbox=\hbox to \ch@pterrmargin\IndentUnit{\hss\unhbox\ch@pterbox}%
 \fi
 \ifrotate
  \dimen0=1.0\ht\ch@pterbox
  \dimen1=\ht\ch@pterbox \advance\dimen1 by \dp\ch@pterbox\advance\dimen1 by \AfterChapterSpaceFactor \FontSizeUnit
  \dimen2=0.5\wd\ch@pterbox \advance\dimen2 by -0.5\ht\ch@pterbox
  \setbox\ch@pterbox=\hbox{\lower\dimen2\hbox to \dimen0{%
    \hskip\ht\ch@pterbox \special{x:gsave}\special{x:rotate 90}%
    \box\ch@pterbox\special{x:grestore}\hss}}%
  \ht\ch@pterbox=\wd\ch@pterbox\wd\ch@pterbox=\dimen1
 \else
  %\getp@ram{raise}{c}{\styst@k}%
  \getp@ram{raise}{c}{c+\styst@k}%
  \dimen0\baselineskip
  \trace{c}{Lowering by \the\dimen0 + \p@ram}%
  \ifx\p@ram\relax\else\advance\dimen0 by -\p@ram\fi
  \setbox\ch@pterbox=\hbox{\lower\dimen0\box\ch@pterbox
    \box\ch@pternote\kern\AfterChapterSpaceFactor\FontSizeUnit}%
 \fi
 \XeTeXuseglyphmetrics=\@seglyphmetrics
 \ch@pterwd=\wd\ch@pterbox
 \trace{sP}{box width=\the\ch@pterwd}%
 \ch@pterdp=\dp\ch@pterbox
 \dp\ch@pterbox=0pt
}
%-cpar_makechapterbox

\newif\ifreftooltip
\def\ch@ptooltipstart{\special{pdf:bann << /Type /Annot /Subtype /Widget /H /N /TU (\id@@@ \space \ch@pter :\v@rse) /T (tooltip \id@@@ \ch@pter :\v@rse) /C [] /FT /Btn /F 768 /Ff 65536 /BS << /W 0 >> >>}}
\def\ch@ptooltipend{\special{pdf:eann}}

%+cpar_ptxnb
% Used to delay a cutout until later in the paragraph, for no-break chapter numbers
%\def\DelayedChapter#1#2#3{\uppercase{\def\ucb@@k{#1}}%
  %\x@\edef\csname delay-\ucb@@k.#2\endcsname{#3}}

\def\DelayedChapter#1#2#3{\uppercase{\def\ucb@@k{#1}}%
  \DelayedItem{chapter}{\ucb@@k.#2}{#3}{#2}}

%Param 3 is in lines.
\def\DelayedItem#1#2#3#4{%
  \x@\xdef\csname delay-#1.#2\endcsname{#3}\x@\xdef\csname delayparam-#1.#2\endcsname{#4}}

% Used to set a delayed paragraph number one line higher (projecting above the line with v.1 instead of below it)
%\def\RaiseChapter#1#2{\uppercase{\def\ucb@@k{#1}}%
  %\x@\let\csname raise-\ucb@@k.#2\endcsname=1}
\def\RaiseChapter#1#2{\uppercase{\def\ucb@@k{#1}}%
  \RaiseItem{chapter}{\ucb@@k.#2}{-1}}

\def\RaiseItem#1#2#3{%
  \x@\def\csname raise-#1.#2\endcsname{#3}}%

\def\delay@test#1{\x@\let\x@\t@std@lay\csname delay-#1.\c@rref\endcsname
  \trace{C}{delay@test: \id@@@\ifdiglot\c@rrdstat\fi.\ch@pter: #1 \c@rref ::\t@std@lay}}%

\def\raise@test#1{\x@\let\x@\t@str@ise\csname raise-#1.\c@rref\endcsname 
  \trace{C}{raise@test: \id@@@\ifdiglot\c@rrdstat\fi.\ch@pter: #1 \c@rref ::\t@str@ise}}%

\def\ptx@nb{%
  \x@\ifx\csname ch@pter\g@tdstat waiting\endcsname\relax
    \MSG{nb ignored near \ifdiglot\dc@rref\else\c@rref\fi: not after chapter}%
  \else
    \delay@test{chapter}%
    %\x@\let\x@\t@st\csname delay-\id@@@.\ch@pter\endcsname
    \ifx\t@std@lay\relax
      \MSG{*** no-break at \id@@@\ifdiglot \c@rrdstat\fi\space\ch@pter, re-run to generate \string\DelayedChapter\space setting}%
      \def\t@std@lay{0}%
    \else 
      \MSG{* no-break at \id@@@\ifdiglot \c@rrdstat\fi\space\ch@pter (\t@std@lay)}%
    \fi
    \x@\global\x@\let\csname ch@pter\g@tdstat waiting\endcsname\relax
    \ifhmode
      \unskip\let\aft@rnb\space
    \else
      \let\aft@rnb\empty
      \leavevmode\str@t                                                           %(1)
    \fi
    \t@stpublishability{c}\ifn@npublishable
     \setbox\ch@pterbox=\box\voidb@x
    \else
     \m@kechapterbox
     \setbox\ch@pterbox=\hbox{\box\ch@pterbox
       \kern\ifRTL\rightskip\else\leftskip\fi}%
     %\ifRTL\let\c@tcmd=\rightcutout\else\let\c@tcmd=\leftcutout\fi
     %\x@\c@tcmd\x@{\the\ch@pterwd}{\t@std@lay}{2}%
     \raise@test{chapter}%
     \ifx\t@str@ise\else\ifdim \t@str@ise pt=1pt
      \vadjust pre {\nobreak}% Prevent break before this line if the box is raised
     \fi\fi
     \vadjust{\vbox to 0pt{\kern-\dp\str@tbox \kern-\ht\ch@pterbox              %(2)
      \ifx\t@str@ise\relax \else \kern-\t@str@ise\baselineskip \fi
      \ifRTL\let\n@xt\rightline\else\let\n@xt\leftline\fi
      \n@xt{\ifRTL\beginR\fi\box\ch@pterbox\ifRTL\endR\fi}\vss}%
      \pdfb@@kmark\pdfch@ptermark\nobreak}%
     \beginL\pdfsavepos                                                         %(3)
     %\edef\dc@ref@rgs{\string\@delayedchapter\string{\id@@@\string}\string{\ch@pter\string}}%
     \ifdiglot\edef\@@ref{\id@@@\c@rrdstat}\else\edef\@@ref{\id@@@}\fi
     \edef\dc@ref@rgs{\string\@delayedchapter\string{\@@ref\string}\string{\ch@pter\string}}%
     \x@\write\x@\p@rlocs\x@{\dc@ref@rgs{\the\pdflastxpos}{\the\pdflastypos}}\endL
     \dr@ppednumbertrue
     \add@pending{chapter}{\ifdiglot\dc@rref\else\c@rref\fi}{0}{\the\ch@pterwd}{2}{\t@std@lay}{\ifRTL R\else L\fi}%
     \run@pending
     \aft@rnb
    \fi
  \fi}

\newbox\str@tbox
\def\mkstr@t{\setbox\str@tbox=\hbox to 0pt{\XeTeXuseglyphmetrics=0                %(4)
  \char32 \hss}}
\def\str@t{\mkstr@t\copy\str@tbox}
%-cpar_ptxnb


%+cpar_resetparstyle
\def\resetp@rstyle{%
 \leftskip=0pt \rightskip=\leftskip
% \dimen0=\hsize \advance\dimen0 by -4em \parfillskip=2em plus \dimen0 minus 1em
 \parfillskip=0pt plus 1fil
 %\emergencystretch=11in
 \parindent=0pt }
%-cpar_resetparstyle

\newif\iftaggedPDF \taggedPDFfalse
\newcount\tagCount
\def\t@gstart#1#2{\t@gstartfull{#1}{#2}{}}
\def\t@gstartfull#1#2#3{%
  \iftaggedPDF
    \global\advance\tagCount by 1
    \edef\t@gt@mp{ptxp:tagstart #1 #2 \the\tagCount\space #3}%
    \special{\t@gt@mp}%
  \fi
}
\def\t@gempty#1#2{\t@gemptyfull{#1}{#2}{}}
\def\t@gemptyfull#1#2#3{%
  \iftaggedPDF
    \global\advance\tagCount by 1
    \edef\t@t@mp{ptxp:tag #1 #2 \the\tagCount\space #3}%
    \special{\t@t@mp}%
  \fi
}
\def\t@gend#1{\t@gendfull{#1}{}}
\def\t@gendfull#1#2{\iftaggedPDF\special{ptxp:tagend #1 #2}\fi}

\def\zexp #1\*{%%Pseudo milestone, for use in trigger files
    \xdef\f@ntextend{\p@rcent #1xx\E}%
}

\endinput
