13.1. Introduction

The document being edited is converted to other formats by the means of XSLT stylesheets.

Figure 9.15. Converting an XML document to an XSL-FO based format

This dialog box allows to:

Select an XSLT stylesheet other the default one.
Example: when converting a DocBook document to HTML, the default XSLT stylesheet generates HTML and does not support profiling. this dialog box allows to select any of the following alternate XSLT stylesheets: "Generate HTML; profiling stylesheet", "Generate XHTML", "Generate XHTML; profiling stylesheet".
Create a custom XSLT stylesheet on the fly.
A custom XSLT stylesheet created this way merely imports the stock XSLT stylesheet. Example:
```
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                version="1.0">
  <xsl:import href="docbook-config:xsl/fo/docbook.xsl"/>
  
</xsl:stylesheet>
```
After such custom XSLT stylesheet has been created, the user is expected to add to it a number of parameters and attribute-sets.
Invoke a specialized editor —XMLmind XSL Customizer— to modify a user-created XSLT stylesheet.

However, when the document being edited is converted to an HTML-based format (Web Help, EPUB, HTML Help, etc)^[30], the HTML pages which are automatically generated by the aforementioned XSLT stylesheets are styled mainly by CSS stylesheets.

Figure 9.16. Converting an XML document to an HTML-based format

When this is the case, this dialog box allows additionally to:

Select a CSS stylesheet other the default one.
Create a custom CSS stylesheet on the fly.
A custom CSS stylesheet created this way merely imports the stock CSS stylesheet. Example:
```
@charset "UTF-8";
@import url(base.css);
/* ADD YOUR STYLES HERE */
```
After such custom CSS stylesheet has been created, the user is expected to add to it a number of styles.
Invoke a helper application (generally, a text editor) to modify a user-created CSS stylesheet.

^[30]As opposed to XSL-FO based formats (PDF, RTF, .docx, .odt, etc).