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<font size="-1">Thanks for the reply, but the problem is that what
docbook2pdf does is parse SGML or XML input files and create a
tex-format intermediate file which then gets passed to pdftex.
The user never even sees the intermediate files. Even
intercepting that pipeline doesn't help much--the intermediate
file looks nothing like a standard tex/latex file:<br>
<br>
\FOT{3}\Seq%<br>
{\def\PageNumberFormat%<br>
{1}\def\PageNumberRestart%<br>
{0}\def\PageTwoSide%<br>
{1}\def\TwoSideStartOnRight%<br>
{1}\def\PageNColumns%<br>
{1}\def\PageColumnSep%<br>
{36\p@}\def\PageBalanceColumns%<br>
{0}\def\WritingMode%<br>
<br>
etc, etc.<br>
<br>
and there's no obvious way or place to insert Latex commands. And
trying to hack the docbook parsing process to try to get the right
Latex inserted is even scarier than trying to get pdftex to
recognise the interrobang.<br>
<br>
<br>
</font><br>
<div class="moz-cite-prefix">On 2020-05-24 15:14, Peter Schmitt
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:alpine.LRH.2.11.2005242111220.11823@login.univie.ac.at">On
Sun, 24 May 2020, Peter Schmitt wrote:
<br>
<blockquote type="cite">According to wikipedia:
<br>
The interrobang can be displayed in LaTeX ...
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</blockquote>
<br>
... and it can be simulated by \rlap{?}!
<br>
<br>
(I just learned about this glyph.)
<br>
<br>
Peter
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</blockquote>
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