| 屬性 | att.pointing (@type, @evaluate) | domains | optionally specifies the identifiers of the elements
within which all elements indicated by the contents of this
element lie.| 狀態 | 非必備的 | | 資料類型 | 1–∞ occurrences of 以空白鍵隔開 | | 值 | a list of at least two generic identifier names,
separated by whitespace. | | 註 | If this attribute is supplied every element specified as a
target must be contained within the element or elements
named by it. An application may choose whether or not to
report failures to satisfy this constraint as errors, but may
not access an element of the right identifier but in the wrong
context. If this attribute is not supplied, then target
elements may appear anywhere within the target document. |
| | targFunc | (target function) describes the function of each of the values of the
targets attribute of the enclosed <link>,
<join>, or <alt> tags.| 狀態 | 非必備的 | | 資料類型 | 1–∞ occurrences of 以空白鍵隔開 | | 值 | a list of at least two valid names, separated by whitespace. | | 註 | The number of separate values must match the number of
values in the targets attribute in the enclosed
<link>, <join>, or <alt> tags (an
intermediate <ptr> element may be needed to accomplish
this). It should also match the number of values in the
domains attribute, of the current element, if one
has been specified. |
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