%D \module
%D   [       file=spac-def,
%D        version=2009.10.16, % 1997.03.31, was core-spa.tex
%D          title=\CONTEXT\ Spacing Macros,
%D       subtitle=Definitions,
%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.

\writestatus{loading}{ConTeXt Spacing Macros / Definitions}

%D Ideally these definitions should be moved to where they first appear and this
%D will happen at some point.

\unprotect

% maybe \everysynchronizeglobalspacing
% maybe \everysynchronizelocalspacing

\appendtoks
    \forgetverticalstretch
    \presetnormallineheight
    \setnormalbaselines         % check if redundant (\forgetverticalstretch does it too)
    \setstrut                   % check if redundant (\forgetverticalstretch does it too)
    \settopskip                 % factors set in \forgetverticalstretch
    \setmaxdepth                % factors set in \forgetverticalstretch
    \synchronizeindenting
    \synchronizeskipamounts
    \synchronizeblank
    \synchronizewhitespace
    \synchronizespacecodes      % not needed, frozen factors
    \setrelativeinterlinespace
\to \everybodyfont

% why exception

\appendtoks
    \updateraggedskips          % under test
\to \everyfontswitch

% maybe more

\prependtoks
    \enforced\let\par\normalpar
\to \everybeforepagebody % see \fillinline (was endgraf)

% needs checking:

\appendtoks
    \synchronizespacecodes
\to \everydefinedfont    % not needed, frozen factors

%D Per 2026 we upgraded the top and bottom setters and when we set top to
%D height, we also set bottom to depth, but one can change it. The setting
%D here assumes that topskipfactor is set.

\setupinterlinespace
  [\c!minheight=\zeropoint, % only special purpose
   \c!mindepth=\zeropoint,  % only special purpose
   \c!height=.72,
   \c!depth=.28,
   \c!top=1.0,
  %\c!ntop=\minusone,       % >= 0 : times lineheight, otherwise 5
  %\c!ntop=\plusfive,       % long time default
   \c!ntop=\plustwo,        % more reasonable, if at all
 % \c!bottom=0.4,
   \c!bottom=\ifx\topskipfactor\v!height\v!depth\else0.4\fi,
   \c!distance=\onepoint,   % \dimexpr\openlineheight/10\relax
   \c!line=2.8\exheight,
   \c!stretch=\zerocount,
   \c!shrink=\zerocount]

\setupblank
  [\v!big]

\setuptolerance
  [\v!horizontal,\v!verystrict]

\setuptolerance
  [\v!vertical,\v!strict]

\setupalign
  [\v!bottom,
   \v!width]

\setupspacing
  [\v!packed]

\indenting
  [\v!never]

\setupindenting
  [\v!none]

\protect \endinput