[Main]
Title=Implementation Details
Subsections=SEC81, SEC82, SEC83, SEC86

[Top]
Here we document details of how the preprocessor's implementation
affects its user-visible behavior.  You should try to avoid undue
reliance on behavior described here, as it is possible that it will
change subtly in future implementations.
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Also documented here are obsolete features and changes from previous
versions of CPP.
