DITA 1.2 language
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DITA 1.3 language (suggested)
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| Tools may validate controlled values for
attributes by reference to the subject scheme map. |
Tools SHOULD validate controlled
values for attributes by reference to the subject scheme
map. |
| If controlled values for a metadata attribute
are defined using the subject scheme map, tools may give an
organization a list of readable labels, a hierarchy of
values to simplify selection, and a shared definition of the
value. |
If controlled values for a metadata attribute
are defined using the subject scheme map, tools MAY
give an organization a list of readable labels, a hierarchy
of values to simplify selection, and a shared definition of
the value. |
| The list of defined values are not validated
by basic XML parsers. Instead, the defined values should be
validated by DITA processors. |
The list of defined values are not validated
by basic XML parsers. Instead, the defined values SHOULD
be validated by DITA processors. |
| Processors should be aware of hierarchies of
attributes defined in subject scheme maps, and process them
differently than they might if the attributes were not
defined in a hierarchy. |
Processors SHOULD be aware of
hierarchies of attributes defined in subject scheme maps,
and process them differently than they might if the
attributes were not defined in a hierarchy. |
| If any other values are encountered [other
than those defined in the subject scheme as valid for the
attribute], processors validating against the scheme should
give a warning |
If any other values are encountered [other
than those defined in the subject scheme as valid for the
attribute], processors validating against the scheme SHOULD
give a warning |
| An enumeration may be defined with
hierarchical levels by nesting subject definitions. If
filtering or flagging excludes "therapist" and does not
explicity identify "novice", processing should apply
filtering to all subsets of therapist. If filtering includes
"novice" but does not explicity exclude "therapist",
processing should include the general therapist content
because it applies to "novice". If flagging explicity
includes "therapist" but is not set explicity for "novice",
processing should apply the "therapist" flag to the "novice"
content as a special type of therapist. |
An enumeration can be defined with
hierarchical levels by nesting subject definitions. If
filtering or flagging excludes "therapist" and does not
explicity identify "novice", processing SHOULD apply
filtering to all subsets of therapist. If filtering includes
"novice" but does not explicity exclude "therapist",
processing SHOULD include the general therapist
content because it applies to "novice". If flagging
explicity includes "therapist" but is not set explicity for
"novice", processing SHOULD apply the "therapist"
flag to the "novice" content as a special type of therapist.
Important caveat: This needs to be rewritten so that the
normative language is separated from the example. And we
should fix the typo also :)
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