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ONSGMLS(1) Reference ONSGMLS(1)
NAME
onsgmls - An SGML/XML parser and validator
SYNOPSIS
onsgmls [-BCdeghlnpRrsuvx] [-alinktype] [-Aarchitecture] [-bbctf] [-csysid...]
[-Ddirectory] [-Emax_errors] [-ffile] [-iname] [-ooutput_option...]
[-tfile] [-wwarning_type...] [sysid...]
DESCRIPTION
onsgmls parses and validates the SGML document whose document entity is specified
by the system identifiers
and prints on the standard output a simple text representation of its Element
Structure Information Set. (This is the information set which a
structure-controlled conforming SGML application should act upon.) If more than
one system identifier is specified, then the corresponding entities will be
concatenated to form the document entity. Thus the document entity may be spread
among several files; for example, the SGML declaration, prolog and document
instance set could each be in a separate file. If no system identifiers are
specified, then onsgmls will read the document entity from the standard input. A
command line system identifier of - can be used to refer to the standard input.
(Normally in a system identifier, <OSFD>0 is used to refer to standard input.)
Part of an SGML System Conforming to International Standard ISO 8879 -- Standard
Generalized Markup Language. An SGML Extended Facilities system conforming to Annex
A of Internal Standard ISO/IEC 10744 -- Hypermedia/Time-based Structuring Language
The following options are available:
-alinktype, --activate=linktype
Make link type linktype active. Not all ESIS information is output in this
case: the active LPDs are not explicitly reported, although each link
attribute is qualified with its link type name; there is no information
about result elements; when there are multiple link rules applicable to the
current element, onsgmls always chooses the first.
-Aarchitecture, --architecture=architecture
Parse with respect to architecture architecture.
-bbctf, --bctf=bctf, -bencoding, --encoding=encoding
This determines the encoding used for output. If in fixed character set mode
it specifies the name of an encoding; if not, it specifies the name of a
BCTF.
-B, --batch_mode
Batch mode. Parse each
specified on the command line separately, rather than concatenating them. This is
useful mainly with -s.
If -tfilename is also specified, then the specified filename will be prefixed to
the sysid to make the filename for the RAST result for each sysid.
-csysid, --catalog=sysid
Map public identifiers and entity names to system identifiers using the catalog
entry file whose system identifier is sysid. Multiple -c options are allowed. If
there is a catalog entry file called catalog in the same place as the document
entity, it will be searched for immediately after those specified by -c.
-C, --catalogs
The
arguments specify catalog files rather than the document entity. The document
entity is specified by the first DOCUMENT entry in the catalog files.
-Ddirectory, --directory=directory
Search directory for files specified in system identifiers. Multiple -D options
are allowed. See the description of the osfile storage manager for more
information about file searching.
-e, --open-entities
Describe open entities in error messages. Error messages always include the
position of the most recently opened external entity.
-Emax_errors, --max-errors=max_errors
onsgmls will exit after max_errors errors. If max_errors is 0, there is no limit
on the number of errors. The default is 200.
-ffile, --error-file=file
Redirect errors to file. This is useful mainly with shells that do not support
redirection of stderr.
-g, --open-elements
Show the generic identifiers of open elements in error messages.
-h, --help
Show a help message and exit.
-iname, --include=name
Pretend that
<!ENTITY % name "INCLUDE">
occurs at the start of the document type declaration subset in the SGML document
entity. Since repeated definitions of an entity are ignored, this definition will
take precedence over any other definitions of this entity in the document type
declaration. Multiple -i options are allowed. If the SGML declaration replaces the
reserved name INCLUDE then the new reserved name will be the replacement text of
the entity. Typically the document type declaration will contain
<!ENTITY % name "IGNORE">
and will use %name; in the status keyword specification of a marked section
declaration. In this case the effect of the option will be to cause the marked
section not to be ignored.
-n, --error-numbers
Show message numbers in error messages.
-ooutput_option, --option=output_option
Output additional information according to output_option:
entity Output definitions of all general entities not just for data or subdoc
entities that are referenced or named in an ENTITY or ENTITIES attribute.
id Distinguish attributes whose declared value is ID.
line Output L commands giving the current line number and filename.
included Output an i command for included sub-elements.
empty Output an e command for elements which are not allowed to have an end-tag,
that is those with a declared content of empty or with a content reference
attribute.
notation-sysid Output an f command before an N command, if a system identifier
could be generated for that notation.
nonsgml In fixed character set mode, output escape sequences for non-SGML data
characters. Non-SGML data characters can result from numeric character references.
data-attribute Output the notation name and attributes for DATA attributes.
Otherwise, DATA attributes are treated like CDATA attributes. For more details see
clause 4.4.3 of Annex K of ISO 8879.
comment Output an _ command with the contents of a comment. Multiple comments in a
single comment declaration will result in multiple distinct _ commands, just as if
the comments were each in a separate comment declaration.
omitted Output an o command before a command which was implied by the input
document, but omitted from the actual markup. This currently affects (,), and A
commands.
tagomit As omitted, but only for ( and ) commands.
attromit As omitted, but only for A commands.
Multiple -o options are allowed.
-p, --only-prolog
Parse only the prolog. onsgmls will exit after parsing the document type
declaration. Implies -s.
-R, --restricted
Restrict file reading. This option is intended for use with onsgmls-based Web
tools (e.g. CGI scripts) to prevent reading of arbitrary files on the Web server.
With this option enabled, onsgmls will not read any local files unless they are
located in a directory (or subdirectory) specified by the -D option or included in
the SGML_SEARCH_PATH environment variable. As a further security precaution, this
option limits filesnames to the characters A-Z, a-z, 0-9, '?', '.', '_', '-' and
does not allow filenames containing "..". On systems with MS-DOS file names ':'
and '\' are also allowed.
-s, --no-output
Suppress output. Error messages will still be printed.
-tfile, --rast-file=file
Output to file the RAST result as defined by ISO/IEC 13673:1995 (actually this
isn't quite an IS yet; this implements the Intermediate Editor's Draft of
1994/08/29, with changes to implement ISO/IEC JTC1/SC18/WG8 N1777). The normal
output is not produced.
-v, --version
Print the version number.
-wtype, --warning=type
Control warnings and errors. Multiple -w options are allowed. The following values
of type enable warnings:
xml Warn about constructs that are not allowed by XML.
mixed Warn about mixed content models that do not allow #PCDATA anywhere.
sgmldecl Warn about various dubious constructions in the SGML declaration.
should Warn about various recommendations made in ISO 8879 that the document does
not comply with. (Recommendations are expressed with "should", as distinct from
requirements which are usually expressed with "shall".)
default Warn about defaulted references.
duplicate Warn about duplicate entity declarations.
undefined Warn about undefined elements: elements used in the DTD but not defined.
unclosed Warn about unclosed start and end-tags.
empty Warn about empty start and end-tags.
net Warn about net-enabling start-tags and null end-tags.
min-tag Warn about minimized start and end-tags. Equivalent to combination of
unclosed, empty and net warnings.
unused-map Warn about unused short reference maps: maps that are declared with a
short reference mapping declaration but never used in a short reference use
declaration in the DTD.
unused-param Warn about parameter entities that are defined but not used in a DTD.
Unused internal parameter entities whose text is INCLUDE or IGNORE won't get the
warning.
notation-sysid Warn about notations for which no system identifier could be
generated.
all Warn about conditions that should usually be avoided (in the opinion of the
author). Equivalent to: mixed, should, default, undefined, sgmldecl, unused-map,
unused-param, empty and unclosed.
immediate-recursion Warn about immediately recursive elements. For more detais see
clause 2.2.5 of Annex K of ISO 8879.
fully-declared Warn if the document instance fails to be fully declared. This has
the effect of changing the SGML declaration to specify IMPLYDEF ATTLIST NO ELEMENT
NO ENTITY NO NOTATION NO. For more details see clause 2.2.1 of Annex K of ISO
8879.
fully-tagged Warn if the document instance fails to be fully-tagged. This has the
effect of changing the SGML declaration to specify DATATAG NO, RANK NO, OMITTAG
NO, SHORTTAG STARTTAG EMPTY NO and SHORTTAG ATTRIB OMITNAME NO. For more details
see clause 2.2.2 of Annex K of ISO 8879.
amply-tagged, amply-tagged-recursive Warn if the doucment instance fails to be
amply-tagged. Implicitly defined elements may be immediately recurisve if
amply-tagged-recursive is specified. This has the effect of changing the SGML
declaration to specify DATATAG NO, RANK NO, OMITTAG NO, SHORTTAG ATTRIB OMITNAME
NO and either IMPLYDEF ELEMENT ANYOTHER or IMPLYDEF ELEMENT YES. For more details
see clause 2.2.4 of Annex K of ISO 8879.
type-valid Warn if the document instance fails to be type-valid. This has the
effect of changing the SGML declaration to specify VALIDITY YES. For more details
see clause 2.2.3 of Annex K of ISO 8879.
entity-ref Warn about references to non-predefined entities. This has the effect
of changing the SGML declaration to specify ENTITIES REF NONE. For more details
see clause 2.3.2 of Annex K of ISO 8879.
external-entity-ref Warn about references to external entities. This includes
references to an external DTD subset. This has the effect of changing the SGML
declaration to specify ENTITIES REF INTERNAL. For more details see clause 2.3.3 of
Annex K of ISO 8879.
integral Warn if the document instance is not integrally stored. This has the
effect of changing the SGML declaration to specify ENTITIES INTEGRAL YES. For more
details see clause 2.3.1 of Annex K of ISO 8879.
A warning can be disabled by using its name prefixed with no-. Thus
-wall-wno-duplicate will enable all warnings except those about duplicate entity
declarations.
The following values for warning_type disable errors:
no-idref Do not give an error for an ID reference value which no element has as
its ID. The effect will be as if each attribute declared as an ID reference value
had been declared as a name.
no-significant Do not give an error when a character that is not a significant
character in the reference concrete syntax occurs in a literal in the SGML
declaration. This may be useful in conjunction with certain buggy test suites.
no-valid Do not require the document to be type-valid. This has the effect of
changing the SGML declaration to specify VALIDITY NOASSERT and IMPLYDEF ATTLIST
YES ELEMENT YES. An option of -wvalid has the effect of changing the SGML
declaration to specify VALIDITY TYPE and IMPLYDEF ATTLIST NO ELEMENT NO. If
neither -wvalid nor -wno-valid are specified, then the VALIDITY and IMPLYDEF
specified in the SGML declaration will be used.
no-afdr Do not give errors when AFDR meta-DTD notation features are used in the
DTD. These errors are normally produced when parsing the DTD, but suppressed when
parsing meta-DTDs.
-x, --references
Show information about relevant clauses (from ISO 8879:1986) in error messages.
The following options are also supported for backward compatibility with sgmls:
-d Same as -wduplicate.
-l Same as -oline.
-msysid
Same as -c.
-r Same as -wdefault.
-u Same as -wundef.
SEE ALSO
ospent(1), ospam(1), onsgmlnorm(1), osx(1)
OpenSP November 2002 ONSGMLS(1)
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On Apache/2.2.3 (CentOS)
Under GNU General Public License
2008-10-12 23:51 @127.0.0.1 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)