Access: Select Tools > Options > HTML Editors tab > Auto Select.
Associate an editor with a META/GENERATOR tag on this screen.
Use the Auto Select Editor to:
Associate an editor with its own META/GENERATOR tag to automatically open topics with the editor that created them. Use the associations supplied or create complex associations.
Associate an editor with Any META/GENERATOR tag. Add the META/GENERATOR tag to this dialog and associate the editor with it.
Associated Editor Display installed HTML editors.
Generator Tag Display the META/GENERATOR tag associated with each HTML editor.
There are three special-case values in the Generator Tag column. You can change the editor but you cannot change the META/GENERATOR tag or remove them:
<None> The editor associated with this item is used for files with no META/GENERATOR tag.
<Unknown> The editor associated with this item is used for files with META/GENERATOR tags not in the Auto Select HTML Editors list.
<Robohelp> The editor associated with this item is used for files created with all versions of RoboHelp.
Add Associate an editor and a META/GENERATOR tag.
Remove Remove an association between an editor and a META/GENERATOR tag.
Set Editor Display the editors in the HTML Editors dialog. Change associations between editors and META/GENERATOR tags.
Set Tag Modify associations between META/GENERATOR tags and editors by typing a META/GENERATOR in the field or browsing to an HTML file that contains the META/GENERATOR tag.
Note: All editors must be associated with a META/GENERATOR tag.