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info about -E added

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@6056 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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William S Fulton 2004-07-23 22:05:30 +00:00
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Doc/Manual/Preprocessor.html
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@ -312,6 +312,14 @@ to actually go into the wrapper file, prefix the preprocessor directives with <t
SWIG will strip the extra <tt>%</tt> and leave the preprocessor directive in the code.
<p>
<a name="n5"></a><H2>6.4 Viewing preprocessor output</H2>
Like many compilers, SWIG supports a <tt>-E</tt> command line option to display the output from the preprocessor.
When the <tt>-E</tt> switch is used, SWIG will not generate any wrappers.
Instead the results after the preprocessor has run are displayed.
This might be useful as an aid to debugging and viewing the results of macro expansions.
<p><hr>
<address>SWIG 1.3 - Last Modified : March 9, 2003</address>