105 lines
3.6 KiB
Plaintext
105 lines
3.6 KiB
Plaintext
This file describes recent user-visible changes in sgmls. Bug fixes
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are not described. See the man pages for more details.
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Version 1.1
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===========
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The rast filter converts the output of sgmls to RAST format. See
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rast.man.
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There have been some changes to the output format: system and public
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identifiers for external entities and notations are specified using
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the new `s' and `p' commands; the filenames for external entities are
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specified using the new `f' command rather than being arguments to the
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`E' and `S' commands; the `\s' escape sequence is no longer generated;
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an `S' command is generated for an entity mentioned in a `{' command;
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RS characters are no longer stripped and are represented by `\012'.
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The -c option now takes an argument giving the name of the file to
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which the report of capacity calculations should be written. The
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report is in RACT format.
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sgmls can now handle non-seekable devices (such as pipes). If no
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filenames are specified on the command line, sgmls will read the
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document entity from standard input. A filename of `-' can also be
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used to refer to standard input.
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The output format no longer distinguishes attributes whose declared
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value is ID, IDREF or IDREFS and uses the TOKEN keyword for these.
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(The ESIS does not distinguish these attributes.)
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The -a option is no longer allowed.
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Version 1.0
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===========
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Eight bit characters can be made name characters.
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Ambiguous content models are always detected. The -a option is ignored.
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Version 0.8
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===========
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On Unix systems, the configure script can automatically generate
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config.h from unix.cfg.
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An APPINFO parameter in the SGML declaration other than NONE is output
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as a `#' command.
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sgmls has a -iNAME option which defines a parameter entity NAME with
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replacement text "INCLUDE".
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sgmls has a -u option that warns about undefined elements.
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In SGML_PATH, the public text designating sequence (escape sequence)
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is now accessed with %E rather than %S. %S now gives the system
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identifier. When a system identifier is supplied, SGML_PATH will be
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used to generate a filename only if SGML_PATH uses %S and the system
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identifier does not contain (semi-)colons.
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An accordance with Amendment 1 to ISO 8879:1986, in the SGML
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declaration `ISO 8879:1986' rather than `ISO 8879-1986' is required.
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With MS-DOS, errors can be redirected to a file using the -f option.
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Version 0.7
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===========
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More quantity limits can be changed. In particular, GRPCNT, GRPLVL
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and GRPGTCNT can be increased up to 253; NAMELEN can be increased to
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239. Names are now dynamically allocated (that is, the amount of
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memory used to store a name depends on the actual length of the name
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rather than on value specified for NAMELEN.)
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sgmlasp supports a -n option which disables upper-case substitution
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for names in replacement files.
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sgmls has a -p option which makes it parse only the prolog.
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The format of the I command has been changed: CDATA and SDATA entities
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are distinguished using a keyword rather than by surrounding SDATA
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entities with \|s.
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Version 0.6
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===========
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A concrete syntax can now be specified explicitly in the SGML
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declaration, and various parts of the reference concrete syntax can be
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changed, including some quantity limits.
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The treatment of notation identifiers and the syntax of the N output
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command have been changed.
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SUBDOC support works with MS-DOS.
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The -n option has been removed; references to subdocument entities are
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always resolved.
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It is no longer possible to change the implied SGML declaration using
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environment variables. You must use an explicit SGML declaration
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instead.
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The V output command has been removed.
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sgmlsasp supports multiple replacement files.
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