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<title>Gri Mode: editing completed syntax</title>
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<br>
Chapters:
<br>
<a href="Introduction.html">1: Introduction</a><br>
<a href="SimpleExample.html">2: Simple example</a><br>
<a href="InvokingGri.html">3: Invocation</a><br>
<a href="GettingMoreControl.html">4: Finer Control</a><br>
<a href="X-Y.html">5: X-Y Plots</a><br>
<a href="ContourPlots.html">6: Contour Plots</a><br>
<a href="Images.html">7: Image Plots</a><br>
<a href="Examples.html">8: Examples</a><br>
<a href="Commands.html">9: Gri Commands</a><br>
<a href="Programming.html">10: Programming</a><br>
<a href="Environment.html">11: Environment</a><br>
<a href="Emacs.html">12: Emacs Mode</a><br>
<a href="History.html">13: History</a><br>
<a href="Installation.html">14: Installation</a><br>
<a href="Bugs.html">15: Gri Bugs</a><br>
<a href="TestSuite.html">16: Test Suite</a><br>
<a href="GriInThePress.html">17: Gri in Press</a><br>
<a href="Acknowledgments.html">18: Acknowledgments</a><br>
<a href="License.html">19: License</a><br>
<br>
Indices:<br>
<a href="ConceptIndex.html"><i>Concepts</i></a><br>
<a href="CommandIndex.html"><i>Commands</i></a><br>
<a href="BuiltinIndex.html"><i>Variables</i></a><br>
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<h3>12.4.5: Editing the syntax output by gri-complete</h3>
You might wonder what to do with all the bracketed code left behind by
`<font color="#82140F"><code>gri-complete</code></font>'. It certainly won't go through the gri parser
without error, so you have to edit it out.
The tools provided in gri-mode are `<font color="#82140F"><code>gri-option-select</code></font>' (`<font color="#82140F"><kbd>C-C C-o</kbd></font>') and `<font color="#82140F"><code>gri-kill-option</code></font>' (`<font color="#82140F"><kbd>C-C C-k</kbd></font>') to narrow in on a
particular gri command, given a syntax description left on the line by
`<font color="#82140F"><code>gri-complete</code></font>'. The cursor location is used to decide which gri
command(s) to narrow to.
<p>
For example, if `<font color="#82140F"><code>gri-complete</code></font>' is used on the line `dr x a', the
result will be a line like
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
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<PRE>
<font color="#82140F">
draw x axis [at bottom|top|{.y. [cm]} [lower|upper]]
</font></PRE>
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<p>
This is the gri way of describing many commands at once. The above
syntax description is a shortcut formulation for all of:
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
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<PRE>
<font color="#82140F">
draw x axis
draw x axis at bottom
draw x axis at bottom top
draw x axis at bottom bottom
draw x axis at top
draw x axis at top top
draw x axis at top bottom
draw x axis at .y. cm
draw x axis at .y. cm lower
draw x axis at .y. cm upper
</font></PRE>
</TD>
</TR>
</TABLE>
<p>
The `<font color="#82140F"><code>gri-option-select</code></font>' (`<font color="#82140F"><kbd>C-C C-o</kbd></font>') command provides easy
navigation to select one of these commands. The narrowing process is
governed by the cursor position. For example, to get the command
narrowed down to
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
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<PRE>
<font color="#82140F">
draw x axis at bottom [lower|upper]
</font></PRE>
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<p>
place the cursor somewhere in the word `bottom' and invoke
`<font color="#82140F"><code>gri-option-select</code></font>'. To complete the narrowing process, selecting
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
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<PRE>
<font color="#82140F">
draw x axis at bottom lower
</font></PRE>
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<p>
move the cursor to some place in the word `lower' and invoke
`<font color="#82140F"><code>gri-option-select again</code></font>'. On the other hand, to get
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
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<PRE>
<font color="#82140F">
draw x axis at bottom
</font></PRE>
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<p>
you would have put the cursor over either the word `lower' or `upper',
and invoke `<font color="#82140F"><code>gri-kill-option</code></font>' (`<font color="#82140F"><kbd>C-C C-k</kbd></font>') instead.
<p>
You might want to practice using this example to learn
how to do it. If you make a mistake, note that the normal Emacs undo
works.
<p>
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