By Lance A Leventhal
Guide textual content for meeting language geared in the direction of the Motorola 6809 microprocessor that's present in the Tandy TRS-80 computing device.
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After you fix each error, you’ll need to save the document and reopen it in Internet Explorer to check for additional errors. ) tip As you work through the chapters in this book, keep in mind that you can quickly check whether an XML document is well-formed by simply opening it directly in Internet Explorer. ) Your First XML Document When you open an XML document directly in Internet Explorer, as you do in this chapter, the parser checks only whether the document is well-formed and then displays a message if it finds an error.
If you want to insert < or & as an integral part of the character data, you can use a CDATA section (discussed later in the list). You can also insert <, &, or any other character—including one not on your keyboard—by using a character reference, and you can insert certain characters by using predefined general entity references (such as < or & for inserting < or &). General entity and character references are discussed next. ■ General entity references or character references. Here’s an element containing one of each: A general entity reference A character reference Entity and character references are covered in Chapter 6.
When you display an XML document in Internet Explorer, the browser provides both the XML processor and at least part of the application. ) The distinction is more than academic because the XML specification governs the behavior of the processor but not that of the application. An XML processor that conforms to the specification provides a predictable body of data to the application, which can do whatever it wants with this data. Note that the term application as used here is not the same thing as an XML application (or XML vocabulary), which I defined in Chapter 1 as a general-purpose set of elements and attributes, along with a document structure, that can be used to describe documents of a particular type.