X.VAR:
Attributes
Some DTDs derived from XML may use BUILTIN variables.
Value(s)
- chain
- seqnam
- seqno
- resnam
- resno
- resid
Default Value
#IMPLIED
The HREF attribute is inherited from HTML2.0 and is used consistently
throughout CML. It serves as the tail of a hyperlink, whose semantics
are being developed by Murray Maloney and others of the HTML-WG as an
Internet draft.
Here is some more information.
Value(s)
CDATA
Default Value
#IMPLIED
Operations on destination (advisory) (HTML 2.0)
Value(s)
NAMES
Default Value
#IMPLIED
Repeat count of content (only to be used within
X.ARR, please) (optional)
Value(s)
NUMBER
Default Value
#IMPLIED
NAME specifies the target of a hyperlink and must be unique
within a document. Here is some more information.
Value(s)
CDATA
Default Value
#IMPLIED
The REL attribute is inherited from HTML2.0 and is used consistently
throughout CML. It describes the target of a hyperlink, whose semantics
are being developed by Murray Maloney and others of the HTML-WG as an
Internet draft.
In CML glossaries are used extensively with the syntax:
REL=glossary
The
Value(s)
NAMES
Default Value
#IMPLIED
The REV attribute is inherited from HTML2.0 and is used consistently
throughout CML. It describes the backwards relationship of a hyperlink,
whose semantics
are being developed by Murray Maloney and others of the HTML-WG as an
Internet draft.
At present CML does not specify a use and it should evolve in parallel with
what the WWW community decides.
Value(s)
NAMES
Default Value
#IMPLIED
The TITLE attribute is inherited from HTML2.0 and is used consistently
throughout CML. In HTML 2.0 it is advisory only, but you are encouraged to
use it in CML since it is used to label many of the displays, tables, etc.
Virtually all CML elements have this attribute.
Value(s)
CDATA
Default Value
#IMPLIED
The type of the variable, at present chosen from:
- array.
- An 'array' of whitespace separated items - this is
rather horible but has significant performamce and readability advantages.
Example:
<X.ARR><X.VAR>1 2 3 "foo bar" 42</X.VAR></X.ARR>
- date.
- An ISO-6501 date.
- float.
- A real number (with or without decimal point) .
- id.
- A bibliographic ID (e.g. database number, MEDLINE abstract,
CAS registry, etc) No format imposed (ADH_ECOLI, 1INS, 89033912, etc)
- integer.
- An integer.
- string.
- A string. If the string contains whitespace, it should
be quoted with ' or ". If it has embedded quotes, use the other sort. The
default TYPE.
- link.
- A link, using the A syntax. Embed in quotes for
safety.
- time.
- An ISO-6501 time.
- other. Other types of element.
It is up to the application what use is made of TYPE.
Value(s)
- array
- date
- float
- ID
- integer
- string
- time
- other
Default Value
string
Physicochemical units (optional)
Value(s)
CDATA
Default Value
#IMPLIED
Permanent address of destination (HTML 2.0)
Value(s)
CDATA
Default Value
#IMPLIED
Back to X.VAR
cml DTD