精美通用ppt模板紅色文件夾主題-免費(fèi)閱讀
【正文】 比如一個作者可能使用 bigred來命名一個用大紅字體的突出顯示的字節(jié)。在當(dāng)時，對作者來說這個名稱可能是很直覺的，但假如后來作者決定突出顯示的字節(jié)應(yīng)該使用綠色，而不是紅色的話，他的命名就有毛病了。 they can for instance provide the infoset augmentation facility and attribute defaults. RELAX NG and Schematron intentionally do not provide these. 樣例文本 B ? ISO DSDL and other schema languages ? The ISO DSDL (Document Schema Description Languages) standard brings together a prehensive set of small schema languages, each targeted at specific problems. DSDL includes RELAX NG full and pact syntax, Schematron assertion language, and languages for defining datatypes, character repertoire constraints, renaming and entity expansion, and namespacebased routing of document fragments to different validators. DSDL schema languages do not have the vendor support of XML Schemas yet, and are to some extent a grassroots reaction of industrial publishers to the lack of utility of XML Schemas for publishi
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