Specify the (X)HTML markup version of the generated output.

Possible Settings:

"HTML 4.01"
This is the default setting. The output files will be generally compatible with one of these Doctypes:
The incompatibility may come from the HTML markup found in the text coming from the data source (e.g. doc-comments). To fix the syntax errors (like missing closing tags) automatically, you can use the option: "Text | Render Embedded HTML | Fix markup"
"XHTML 1.0"
The output files will be generated according to one of the Doctypes: This format also implies the mandatory/default settings for the following options:
Related Options: