HotDog Pro allows you to specify your preferences in all aspects of using the program:
From the Edit menu, select Preferences.
In the Preferences dialog, use the navigation tree to view and edit different preferences.
In relation to editing you can specify:
your preferred ROVER settings
the appearance and functionality of the HotDog editing window
syntax filters rules
syntax validation colors
syntax and tag coloring/highlighting
recognized file types
the locations of the directories HotDog uses
the browsers in your browser list
the dictionaries used