external_id used for view title and persistent history file name

[bscottm]

external_id has two uses: as the view title and as the persistent history file name. Unfortunately, if a developer (me) doesn't know this and attempts at a pretty view name, then bad things happen because the pretty view name can contain illegal file name characters.

Would it be possible to separate the functions, e.g., use external_id for the persistent history file name, add a view_title for the view title?