the {projectname} attribute has the value foobar then: d:\data{backslash}{projectname} would be rendered as: d:\data\foobar 36. How can I escape AsciiDoc markup? Most AsciiDoc inline elements can be suppressed by preceding them with a backslash character. These elements include: Attribute references. Text formatting. Quoting, Macros. Replacements. Special words. Table cell separators. But there are exceptions? -- ?see the next question. 37. Some elements can't be escaped with a single backslash There are a number of exceptions to the usual single backslash rule? -- ?mostly relating to URL macros that have two syntaxes or quoting ambiguity. Here are some non-standard escape examples: The source of this problem is ambiguity across substitution types? -- ?the first match unescapes allowing the second to substitute. A work-around for difficult cases is to side-step the problem using the pass:[] passthrough inline macro. 40. Why do I get a filter non-zero exit code error? An error was returned when AsciiDoc tried to execute an external filter command. The most common reason for this is that the filter command could not be found by the command shell. To figure out what the problem is run AsciiDoc with the --verbose option to determine the command that is failing and then try to run the command manually from the command-line. 41. Are there any DocBook viewers? Yelp , the GNOME help viewer, does a creditable job of displaying DocBook XML files directly. 42. Can you create ODF and PDF files using LibreOffice? LibreOffice can convert HTML produced by AsciiDoc to