13 lines
685 B
Plaintext
13 lines
685 B
Plaintext
= attributed strings
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attribute lengths are rounded to complete unicode codepoints
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zero-length attributes are elided
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consecutive attributes of the same type and value are merged
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overlapping attributes of different types do not split each other
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overlapping attributes of the same type but different values do split
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empty string is allowed
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empty string cannot have attributes
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font family names are case-insensitive both in attributes and in descriptors
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attributes are unique throughout a Unicode codepoint, not just to UTF-8 bytes
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define what "it is an error" means in the case of uiFreeAttribute() and all uiAttributeValue() functions
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does uiAttributeFamily() return a normalized string
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