I don't use processing instructions, or PIs, often.
通常不使用处理指令或者PI。
With the tokenizer, it is easy to decode the processing instructions.
有了 tokenizer，就很容易译码处理指令。
ProcessingInstruction notifies the application of processing instructions.
processingInstruction将处理指令通知应用程序。
It expands entities and ignores processing instructions and comments.
可以扩充实体并忽略处理指示和注解。
Listing 1 shows an event filter that skips all XML processing instructions.
清单1给出了一个忽略所有XML处理指令的事件过滤器。
Once for the processing instructions, and once more with the XSLT processor?
一次用于处理指令，另一次是使用XSLT处理器。
It stops when any markup is encountered, including comments and processing instructions.
当遇到任何标记(包括注释和处理指令)时，它就会停止。
However, I'll skip handling proper escaping, processing instructions, and a few other aspects.
不过，我将忽略正确的转义、处理指令和其他少数几个方面。
Other existing frameworks that use XAML also do not use processing instructions from XAML.
利用XAML的其他现有的框架还未使用来自XAML的处理指令。
However, processing instructions are similar to cascading style sheets (CSS) for HTML documents.
不过，处理指令与HTML文档的级联样式表(CSS)类似。
The W3C has not proposed a mechanism, but it seems logical to define new processing instructions.
W3C没有提议一种机制，所以定义新的处理指令似乎也就不足为奇了。
Comments and processing instructions are skipped and entity references are automatically resolved.
将跳过注释和处理指令并自动对实体引用进行解析。
Even with this improvement, your code can still trip on comments, processing instructions, and CDATA sections.
即使这样改进之后，代码还是会在注释、处理指令和cdata节上出错。
It might contain several, as well as comments and processing instructions. For instance, it could look like this.
可能包含多个文本节点，以及注释和处理指令。
Processing instructions intended for the tokeniser MAY be removed; all other processing instructions MUST be preserved.
为实现标记转换而设置的处理指令也 可以删除；但必须保留所有其他的处理指令。
Any comments or processing instructions outside the root element of the XML file are considered siblings of the root element.
XML文件中根元素之外的所有注释或处理说明都被看作根元素的兄弟元素。
The element can contain text, white space, significant white space, CDATA sections, comments and processing instructions.
该元素可包含文本、空白、有效空白、cdata节、注释和处理指令。
You saw how they work in the description of writing the LinkFilter class in Working XML: Processing instructions and parameters.
您会在WorkingXML:Processing instructionsandparameters 中有关编写LinkFilter类的描述中看到它们是如何工作的。
XAML handles XML processing instructions according to XML specifications, which state that the instructions must be passed through.
XAML按照XML规范处理 XML处理指令，这些规范指出必须通过这些指令。
The best-known example is probably SOAP, which disallows processing instructions, document type declarations and any internal DTD subset.
最知名的例子可能是SOAP。它不允许处理指令、文档类型声明和任何内部DTD 子集。
Some limitations are that each document is limited to 253 distinct tags, and that attributes and processing instructions are not handled.
一些限制在于每个文档的不同标记限制为 253 个，并且不处理属性和处理指令。
So you can write concise expressions that consider not only elements and element values, but also attributes, processing instructions, and so on.
因此可以编写精确的表达式来表示元素和元素值，以及属性、处理指令等等。
However, the character entity reference is not allowed in element and attribute names, comments, processing instructions, or CDATA sections.
不过，在项目与属性名称、注解、处理指示或cdata区段中不允许字元实体参考。
Processing instructions and comments are also reduced to special tag names that are not available in XML: PI for the former, comment for the latter.
处理指令和注释也简化了标签名，这在XML中是无法实现的：前者用PI，后者用COMMENT。
For instance, text nodes, CDATA sections, comments, processing instructions, attributes, whitespace, document types, and XML declarations have values.
例如，文本节点、CDATA部件、注释、处理指令、属性、空格、文档类型和XML声明具有值。
Methods writeEntityRef, writeProcessingInstruction, and writeComment can write entity references, processing instructions, and comments, respectively.
writeProcessingInstruction和writeComment方法可以分别编写实体引用、过程说明和注释。
Such an approach guarantees that you will always get the whole content of an element regardless of included comments, processing instructions, or sub-elements.
这种方法可以保证您始终能够获得元素的完整内容，不管它是否包含注释、处理质量或子元素。
It's not entirely clear what support there is for diverse character encodings, as well as the less frequently used parts of XML such as processing instructions.
还不完全清楚对千差万别的字符编码以及那些很少使用的XML成分(比如处理指令)提供什么样的支持。
You are already familiar with processing instructions because most XML documents start with the XML declaration, which is itself a special processing instruction.
您已经熟悉了处理指令，因为大多数XML文档都是以XML声明开始，该声明本身就是特殊的处理指令。
The RFC moves on to coverage of content constructs with sections 4.5 and 4.6, which offer very sensible advice on when to use processing instructions and comments.
RFC在4.5和4.6节讨论内容结构，就何时使用处理指令和注释提供了非常合理的建议。
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