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From: "Rudd, Kevin" <kevin@lps.umd.edu>
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Subject: problem embedding TABLE macros within wrapper macros
 "to reduce repetitive complexity")
Date: Tue, 8 Sep 2020 17:50:37 +0000
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Thread-Topic: problem embedding TABLE macros within wrapper macros "to reduce
 repetitive complexity")
Thread-Index: AQHWhgiPpNphJi4KD02CFZNYZ4UnXA==
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I have a number of slides using \...framedtext blocks to break the slides i=
nto panes within a TABLE environment (TMI: not in MWE; merely my justificat=
ion for writing the wrapper macros). When the TABLE macros are invoked expl=
icitly it all works fine and produces a suitable single-cell table with "qu=
ux blech baz bar foo" framed; when embedded in macros (whether defined by \=
def, \unexpanded\def, \define) then it fails with the error "The file ended=
 when scanning an argument. =3D> fatal error: return code: 256. A previous =
question on the topic seemed to indicate that TABLE was suitable, so I figu=
re that something subtle is wrong as I've invoked the embedded TABLE macros=
. Any suggestions?

Many thanks,
 ---K

MWE: this code fails if the \...PaneSlide block is uncommented, succeeds if=
 commented out.

\define\startPaneSlide{\bTABLE}
\define\startPaneRow{bTR\bTD}
\define\stopPaneRow{\eTD\eTR}
\define\stopPaneSlide{\eTABLE}

\starttext
    \bTABLE
        \bTR\bTD
            quux blech baz bar foo
        \eTD\eTR
    \eTABLE

    \startPaneSlide
        \startPaneRow
            foo bar baz blech quux
        \stopPaneRow
    \stopPaneSlide
\stoptext

Kevin W. Rudd, Ph.D.
CAPT, USN (Ret)

Computer Architecture & Computer Engineering
Advanced Computing Systems (ACS) Research Program
Laboratory for Physical Sciences (LPS)

443-654-7878
kevin@lps.umd.edu<mailto:kevin@lps.umd.edu>

Visiting Research Professor
United States Naval Academy

rudd@usna.edu<mailto:rudd@usna.edu>



--_000_9CED6A26735B4122A3E934F67589B3D1lpsumdedu_
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; line-break:=
 after-white-space;" class=3D"">
<div class=3D"">I have a number of slides using \...framedtext blocks to br=
eak the slides into panes within a TABLE environment (TMI: not in MWE; mere=
ly my justification for writing the wrapper macros). When the TABLE macros =
are invoked explicitly it all works
 fine and produces a suitable single-cell table with &quot;quux blech baz b=
ar foo&quot; framed; when embedded in macros (whether defined by \def, \une=
xpanded\def, \define) then it fails with the error &quot;The file ended whe=
n scanning an argument. =3D&gt; fatal error: return
 code: 256. A previous question on the topic seemed to indicate that TABLE =
was suitable, so I figure that something subtle is wrong as I've invoked th=
e embedded TABLE macros. Any suggestions?</div>
<div class=3D""><br class=3D"">
</div>
<div class=3D"">Many thanks,</div>
<div class=3D"">&nbsp;---K</div>
<div class=3D""><br class=3D"">
</div>
<div class=3D"">MWE: this code fails if the \...PaneSlide block is uncommen=
ted, succeeds if commented out.</div>
<div class=3D""><br class=3D"">
</div>
<div class=3D"">\define\startPaneSlide{\bTABLE}</div>
<div class=3D"">\define\startPaneRow{bTR\bTD}</div>
<div class=3D"">\define\stopPaneRow{\eTD\eTR}</div>
<div class=3D"">\define\stopPaneSlide{\eTABLE}</div>
<div class=3D""><br class=3D"">
</div>
<div class=3D"">\starttext</div>
<div class=3D"">&nbsp; &nbsp; \bTABLE</div>
<div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; \bTR\bTD</div>
<div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; quux blech baz ba=
r foo</div>
<div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; \eTD\eTR</div>
<div class=3D"">&nbsp; &nbsp; \eTABLE</div>
<div class=3D""><br class=3D"">
</div>
<div class=3D"">&nbsp; &nbsp; \startPaneSlide</div>
<div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; \startPaneRow</div>
<div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; foo bar baz blech=
 quux</div>
<div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; \stopPaneRow</div>
<div class=3D"">&nbsp; &nbsp; \stopPaneSlide</div>
<div class=3D"">\stoptext</div>
<div class=3D""><br class=3D"">
</div>
<div class=3D"">
<div style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; line-break: =
after-white-space;" class=3D"">
<div style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;=
 font-style: normal; font-variant-caps: normal; font-weight: normal; letter=
-spacing: normal; text-align: start; text-indent: 0px; text-transform: none=
; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">
Kevin W. Rudd, Ph.D.<br class=3D"">
CAPT, USN (Ret)<br class=3D"">
<br class=3D"">
Computer Architecture &amp;&nbsp;Computer Engineering&nbsp;<br class=3D"">
Advanced Computing&nbsp;Systems (ACS) Research&nbsp;Program&nbsp;<br class=
=3D"">
Laboratory for Physical&nbsp;Sciences (LPS)&nbsp;<br class=3D"">
<br class=3D"">
443-654-7878&nbsp;<br class=3D"">
<a href=3D"mailto:kevin@lps.umd.edu" class=3D"">kevin@lps.umd.edu</a></div>
<div style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;=
 font-style: normal; font-variant-caps: normal; font-weight: normal; letter=
-spacing: normal; text-align: start; text-indent: 0px; text-transform: none=
; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">
<br class=3D"">
</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;=
 font-style: normal; font-variant-caps: normal; font-weight: normal; letter=
-spacing: normal; text-align: start; text-indent: 0px; text-transform: none=
; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">
Visiting Research Professor<br class=3D"">
United States Naval Academy<br class=3D"">
<br class=3D"">
<a href=3D"mailto:rudd@usna.edu" class=3D"">rudd@usna.edu</a><br class=3D""=
>
<br class=3D"">
</div>
</div>
</div>
<br class=3D"">
</body>
</html>

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