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<TeXmacs|1.99.2>
<style|<tuple|tmdoc|english>>
<\body>
<tmdoc-title|Further customization of the interface>
Having written a working interface between your system and <TeXmacs>, you
may want to improve it further. Below we will discuss a few directions for
possible improvement.
First of all, you may want to customize the keyboard behavior inside a
<verbatim|myplugin>-session and add appropriate menus. The procedure for
doing that is described in the chapter about the <name|Guile/Scheme>
extension language and you may add such support to the file
<verbatim|init-myplugin.scm>. We again recommend you to take a look at the
plugins which are shipped with <TeXmacs> inside the directory
<verbatim|$TEXMACS_HOME_PATH/plugins>.
Certain output from your system might require special markup. For instance,
assume that you want to associate an invisible type to each subexpression
in the output. Then you may create a macro <verbatim|exprtype> with two
arguments in <verbatim|myplugin.ts> and send <LaTeX> expressions like
<verbatim|\\exprtype{1}{Integer}> to <TeXmacs> during the output.
In case you connected your system to <TeXmacs> using pipes, you may
directly execute <TeXmacs> commands during the output from your system by
incorporating pieces of code of the form:
<\indent>
<\verbatim>
[DATA_BEGIN]command:scheme-program[DATA_END]
</verbatim>
</indent>
in your output. Inversely, when the cursor is inside a session of your
system, you may use the <name|Scheme> command: <todo|This is no longer true
(svn r8750).>
<\indent>
<scm|(extern-exec plugin-command)>
</indent>
in order to execute a command of your system.
<tmdoc-copyright|1998--2002|Joris van der Hoeven>
<tmdoc-license|Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License, Version 1.1
or any later version published by the Free Software Foundation; with no
Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
Texts. A copy of the license is included in the section entitled "GNU Free
Documentation License".>
</body>
<initial|<\collection>
</collection>>
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