h contains a directory tree
that mirrors the part of the file system that is relevant to preprocessing,
including symbolic links.<BR>
<P>
The compiler is then run from the path in the temporary directory
that corresponds to the current working directory on the client.
To find and transmit the many hundreds of files that are often
part of a single compilation, pump mode uses an incremental include
analysis algorithm.  The include server is a Python program that
implements this algorithm.  The pump command st