I've just committed the parse_Rd() function to R-devel. This is a
parser for Rd files, described in
http://developer.r-project.org/parseRd.pdf
It is not identical to the current parser, and about a dozen of the base
man pages currently signal syntax errors. It also detected errors in 10
files that were errors according to both definitions, but were missed by
the current system, and I've already fixed those. I plan to patch the
rest so that they work in both systems soon. The differences between
the two systems are described in the document above.
I would like to hear comments about the changes -- some of them are
still optional. I will be continuing to work on support functions for
the parser, e.g. the print routine is currently quite primitive.
I expect there may be incompatibilities with platforms on which I
haven't tested. I developed the parser on Windows, and have tested it
on a Linux system. There may be problems handling Rd files with unusual
encodings (UTF-8 and Latin1 should be supported, but I don't know about
others, and haven't even tested those yet).
Duncan Murdoch
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