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+%D \module
+%D   [       file=typo-fln,
+%D        version=2013.08.22, % comes from the few years older m-newstuff
+%D          title=\CONTEXT\ Typesetting Macros,
+%D       subtitle=First Lines,
+%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 Typesetting Macros / First Lines}
+
+%D I had this code laying around for a while \unknown\ probably as a side effect
+%D of cleaning up the supp-fun modules. There is probably room for improvement
+%D and more features.
+
+% \setupbodyfont[pagella]
+%
+% \starttext
+%
+%     \setupindenting[medium,yes]
+%
+%     \definefirstline
+%       [smallcaps]
+%       [alternative=line,
+%        color=darkred,
+%        style=\setfontfeature{smallcaps}]
+%
+%     \setfirstline[smallcaps] \input tufte  \par
+%     \setfirstline[smallcaps] \input ward   \par
+%     \setfirstline[smallcaps] \input knuth  \par
+%     \setfirstline[smallcaps] \input bryson \par
+%
+%     \definefirstline
+%       [smallcaps]
+%       [alternative=word,
+%        color=darkblue,
+%        style=bold,
+%        n=2]
+%
+%     \setfirstline[smallcaps] \input tufte  \par
+%     \setfirstline[smallcaps] \input ward   \par
+%     \setfirstline[smallcaps] \input knuth  \par
+%     \setfirstline[smallcaps] \input bryson \par
+%
+% \stoptext
+
+\unprotect
+
+\registerctxluafile{typo-fln}{1.001}
+
+\definesystemattribute[firstline][public]
+
+\installcorenamespace {firstline}
+
+\installcommandhandler \??firstline {firstline} \??firstline
+
+\setupfirstline
+ [\c!alternative=\v!line,
+  %\c!style=,
+  %\c!color=,
+   \c!n=0]
+
+\appendtoks
+   \begingroup
+       \usefirstlinestyleandcolor\c!style\c!color
+       \setxvalue{\??firstline:\currentfirstline}{\ctxlua{commands.definefirstline {
+            alternative = "\firstlineparameter\c!alternative",
+            ma          = \the\attribute\colormodelattribute,
+            ca          = \the\attribute\colorattribute,
+            ta          = \the\attribute\transparencyattribute,
+            n           = \number\firstlineparameter\c!n,
+            font        = \fontid\font,
+            dynamic     = \number\attribute\zerocount,
+       }}}%
+   \endgroup
+\to \everydefinefirstline
+
+\unexpanded\def\setfirstline[#1]%
+  {\edef\typo_firstline_set
+     {\typo_firstline_set_indeed{\number\csname\??firstline:#1\endcsname}}}
+
+\unexpanded\def\typo_firstline_set_indeed#1%
+  {\dontleavehmode
+   \begingroup
+   \attribute\firstlineattribute#1\relax
+   \kern\zeropoint % we need a node
+   \hskip\zeropoint\s!plus\emwidth\relax % can be an option
+   \globallet\typo_firstline_set\relax
+   \endgroup}
+
+\let\typo_firstline_set\relax
+
+% \appendtoks
+%     \typo_firstline_set % has to be done later
+% \to \everypar
+
+\protect
+
+\endinput