File Extension
Type the file extension to be configured for keyword expansion in the File Extension box. Do not use an asterisk. The file extension is limited to nine characters.
When editing a file extension, you are not allowed to modify this string.
Start of History line
Type the string that will be placed in front of any lines of text that are inserted into a file for the History keyword. This string is limited to 25 characters.
End of History line
Type the string that will be placed after any lines of text that are inserted into a file for the History keyword. This string is limited to 25 characters.
Edit
Once a new keyword file extension has been added, the option of editing the file extension will be included in the table.