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diff --git a/tex/context/base/scrn-but.mkiv b/tex/context/base/scrn-but.mkiv
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--- a/tex/context/base/scrn-but.mkiv
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@@ -1,127 +0,0 @@
-%D \module
-%D   [       file=scrn-but, % moved code
-%D        version=1995.01.01,
-%D          title=\CONTEXT\ Core Macros,
-%D       subtitle=Interaction,
-%D         author=Hans Hagen,
-%D           date=\currentdate,
-%D      copyright={PRAGMA / Hans Hagen \& Ton Otten}]
-%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 Screen Macros / Buttons}
-
-\unprotect
-
-%D Buttons are just what their names says: things that can be
-%D clicked (pushed) on. They are similar to \type{\goto},
-%D except that the text argument is not interpreted.
-%D Furthermore one can apply anything to them that can be done
-%D with \type{\framed}.
-%D
-%D \startbuffer
-%D \button[width=3cm,height=1.5cm]{Exit}[ExitViewer]
-%D \stopbuffer
-%D
-%D \typebuffer
-%D
-%D gives
-%D
-%D \getbuffer
-%D
-%D This command is formally specified as:
-%D
-%D \showsetup{button}
-%D
-%D The characteristics can be set with:
-%D
-%D \showsetup{setupbuttons}
-
-\unexpanded\def\setupbuttons
-  {\dodoubleargument\getparameters[\??bt]}
-
-\definecomplexorsimpleempty\button
-
-\def\complexbutton
-  {\docomplexbutton\??bt}
-
-\presetlocalframed[\??bt]
-
-\def\buttonparameter#1{\csname\??bt#1\endcsname} % simple version
-
-\long\def\docomplexbutton#1[#2]#3#4% get rid of possible space before [#4]
-  {\dodocomplexbutton#1[#2]{#3}#4} % #4 == [
-
-\def\buttonframed{\dodoubleempty\localframed[\??bt]} % goodie
-
-% #3=none is obsolete, just use empty=yes
-
-\long\def\dodocomplexbutton#1[#2]#3[#4]% #3 can contain [] -> {#3} later
-  {\begingroup
-   \let\menuparameter\buttonparameter
-   \doif{\buttonparameter\c!state}\v!stop\locationfalse
-   \iflocation
-     \setlocationboxyes#1[#2]{#3}[#4]%
-   \fi
-   \endgroup}
-
-%D \macros
-%D   {overlaybutton}
-%D
-%D For converience we provide:
-%D
-%D \starttyping
-%D \overlaybutton[reference]
-%D \stoptyping
-%D
-%D This command can be used to define overlays an/or can be
-%D used in the whatevertext areas, like:
-%D
-%D \starttyping
-%D \defineoverlay[PrevPage][\overlaybutton{PrevPage}]
-%D \setupbackgrounds[page][background=PrevPage]
-%D \setuptexttexts[\overlaybutton{NextPage}]
-%D \stoptyping
-%D
-%D For practical reasons, this macro accepts square brackets
-%D as well as braces.
-
-\definecomplexorsimple\overlaybutton
-
-\def\simpleoverlaybutton#1%
-  {\complexoverlaybutton[#1]}
-
-\def\complexoverlaybutton[#1]%
-  {\iflocation
-     \gotobox{\overlayfakebox}[#1]%
-   \fi}
-
-\def\overlayfakebox
-  {\hbox
-     {\setbox\scratchbox\emptyhbox
-      \wd\scratchbox\overlaywidth
-      \ht\scratchbox\overlayheight
-      \box\scratchbox}}
-
-%D Done.
-
-\setupbuttons
-  [\c!state=\v!start,
-   \c!width=\v!fit,
-   \c!height=\v!broad,
-   \c!offset=0.25em,
-   \c!frame=\v!on,
-   \c!background=,
-   \c!backgroundcolor=,
-   \c!foregroundstyle=\buttonparameter\c!style,
-   \c!foregroundcolor=\buttonparameter\c!color,
-   \c!style=\@@iastyle,
-   \c!color=\@@iacolor,
-   \c!contrastcolor=\@@iacontrastcolor,
-   \c!samepage=\v!yes,
-   \c!unknownreference=\v!yes,
-   \c!distance=\zeropoint] % for menubuttons
-
-\protect \endinput