more sub-section titles. If you are using a2x you can set the options in the source file, for example: The AsciiDoc reftext attribute has been used to explicitly set the link text to 2nd section for Section Two . 13. Can I define my own table styles? In addition to the built-in styles you can define your own. This (simplified) example for HTML backends defines a table style called red which sets the background cell color to red. First put the definition in a configuration file: 15. What is the preferred file name extension for AsciiDoc files? The .txt text file extension is preferred, but it's just a convention and it's not enforced by the software. AsciiDoc source files are human readable plain text files which is what the .txt extension is for. All text editors recognize and open files with a .txt extension. The .txt extension is universally recognized and unambiguous? -- ?you are not left asking questions like "What on earth is this file with the funny extension?", "How do I open it?" and "Is it safe to open?". 16. How can I generate numbered bibliographic entries? If your outputs are DocBook generated then adding the following inline macro to a custom configuration file will result in auto-incrementing bibliography entry numbers (instead of displaying the bibliographic identifiers): 18. How can I customize PDF files generated by dblatex? There are a number of dblatex XSL parameters that can be used to customize PDF output. You can set them globally