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<tbx:externalCrossReference> External Cross Reference (TBX)

The <tbx:externalCrossReference> element makes a reference from a term to another term (typically a related term such as an antonym and homonym) that is located in another document. This element is repeatable; so you can include as many cross references to terms as you need in an entry.

Usage/Remarks

(Note: Do not use a formulation such as “Note: See ...” for an external cross-reference to another term, use this <tbx:externalCrossReference> element.)
Related Elements
Internal Cross Reference: A <tbx:crossReference> can only occur at the <tbx:langSet> level, whereas an <tbx:externalCrossReference> can occur at either the <tbx:langSet> or the <tbx:termEntry> level. The @target attribute is optional for <tbx:crossReference>, and the @xtarget attribute mandatory for <tbx:externalCrossReference>
External Cross Reference inside Definition or Example: A <tbx:externalCrossReference> cannot be embedded into a definition or an example. For that purpose, use <tbx:entailedTerm>.
Attributes
script
xtarget (REQUIRED)

Base Attributes

id
xml:base
xml:lang
Models and Context
May be contained in
<tbx:langSet>, <tbx:termEntry>
Description
Any combination of:
Content Model
<!ELEMENT  %TBX.externalCrossReference; 
                        %simpleText-model;                           >
Expanded Content Model

(#PCDATA | disp-formula | disp-formula-group | chem-struct | inline-formula | mml:math | bold | fixed-case | italic | monospace | num | overline | roman | sans-serif | sc | strike | underline | ruby | sub | sup | def-list | list | fn | target | xref | citation-alternatives | element-citation | mixed-citation | std | break | named-content | styled-content | address | alternatives | array | boxed-text | chem-struct-wrap | code | fig | fig-group | graphic | media | non-normative-note | normative-note | non-normative-example | normative-example | notes-group | preformat | supplementary-material | table-wrap | table-wrap-group | email | ext-link | uri | inline-code | inline-graphic | inline-media | private-char)*