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139 lines
5.0 KiB
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139 lines
5.0 KiB
Plaintext
$Id:$
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This the sgmls release 1.1 SGML parser written by James Clark
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jjc@jclark.com, repackaged for FreeBSD. The original source may be
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obtained from ftp://ftp.jclark.com/.
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Pieces removed include:
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* Test documents: Compiled on FreeBSD, sgmls passes all tests.
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* sgml-mode.el: The sole file covered by the GNU GPL. This is not
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installed anyway and anyone wishing to do serious SGML editing
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would be best to get the psgml package.
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* Makefiles and config files for other operating systems (vms, dos,
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cms).
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* Formatted versions of the man pages.
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20-Apr-1995 John Fieber <jfieber@freebsd.org>
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The original README and TODO follow.
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----------------------------------------------------------------------
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This is sgmls, an SGML parser derived from the ARCSGML parser
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materials which were written by Charles F. Goldfarb. (These are
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available for anonymous ftp from ftp.ifi.uio.no [128.240.88.1] in the
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directory SIGhyper/SGMLUG/distrib.)
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The version number is given in the file version.c.
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The file INSTALL contains installation instructions.
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The file NEWS describes recent user-visible changes.
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The file sgmls.man contains a Unix manual page; sgmls.txt is the
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formatted version of this.
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The file sgml-mode.el contains a very simple SGML mode for GNU Emacs.
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The files sgmls.c and sgmls.h contain a small library for parsing the
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output of sgmls. This is used by sgmlsasp, which translates the
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output of sgmls using an ASP replacement file, and by rast, which
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translates the output of sgmls to the format of a RAST result. The
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files sgmlsasp.man and rast.man contain Unix manual pages for sgmlsasp
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and rast; sgmlsasp.txt and rast.txt are the formatted versions of
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these.
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The file LICENSE contains the license which applies to arcsgml and
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accordingly to those parts of sgmls derived from arcsgml. See also
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the copyright notice at the beginning of sgmlxtrn.c. The parts that
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were written by me are in the public domain (any files that were
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written entirely by me contain a comment to that effect.) The file
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sgml-mode.el is covered by the GNU GPL.
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Please report any bugs to me. When reporting bugs, please include the
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version number, details of your machine, OS and compiler, and a
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complete self-contained file that will allow me to reproduce the bug.
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James Clark
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jjc@jclark.com
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----------------------------------------------------------------------
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Warn about mixed content models where #PCDATA can't occur everywhere.
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Perhaps there should be a configuration option saying what a control
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character is for the purpose of SHUNCHAR CONTROLS.
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Should the current character that is printed in error messages be
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taken from be taken from the file entity or the current entity?
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Refine SYS_ action. If we distinguish DELNONCH in lexmark, lexgrp,
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lexsd, we can have separate action that ignores the following
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character as well.
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Should RSs in CDATA/SDATA entities be ignored as specified in 322:1-2?
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Similarily, do the rules on REs in 322:3-11 apply to CDATA/SDATA
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entities? (I don't think they count as being `in content'.)
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What should the entity manager do when it encounters code 13 in an
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input file? (Currently it treats it as an RE.)
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Document when invalid exclusions are detected.
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Option not to perform capacity checking.
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Give a warning if the recommendation of 422:1-3 is contravened.
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Should an empty CDATA/RCDATA marked section be allowed in the document
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type declaration subset?
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Include example of use of SGML_PATH in documentation.
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Try to detect the situation in 310:8-10 (but see 282:1-2).
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Resize hash tables if they become too full.
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Say something in the man page about message catalogues.
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Consider whether support for SHORTREF NONE requires further changes
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(other than disallowing short reference mapping declaration).
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Fake /dev/fd/N and /dev/stdin for systems that don't provide it.
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Improve the effficiency of the entity manager by not closing and
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reopening files. If we run out of FILEs choose the stream with the
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fewest bytes remaining to be read, and read the rest of it into
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memory. Each entity level will have its own read buffer.
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Support multi-line error messages: automatically indent after
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newline. (We could output to a temporary file first, then copy to
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stderr replacing newlines by newline+indent).
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Option that says to output out of context things.
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Divide up formal public identifier errors. Give these errors their
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own type code.
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Consider whether, when OMITTAG is NO, we need to change interpretation
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of an empty start-tag (7.4.1.1).
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Possibly turn errors 70 and 136 into warnings.
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Make things work with NORMSEP > 2. Would need to keep track of number
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of CDATA and SDATA entities in CDATA attributes.
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Handle `SCOPE INSTANCE'.
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In entgen.c, truncate filenames for OSs that don't do this themselves.
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Provide an option that specifies that maximum number of errors; when
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this limit is exceeded sgmls would exit.
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Document non-portable assumptions in the code.
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Option to write out SGML declaration. In this case make it write out
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APPINFO parameter.
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Allow there to be catalogs mapping public ids to filenames.
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Environment variable SGML_CATALOG containing list of filenames of
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catalogs.
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