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http://www.openoffice.org/issues/show_bug.cgi?id=5991





------- Additional comments from [EMAIL PROTECTED] Tue Feb 27 00:03:23 +0000 
2007 -------
I too would like to see this feature implemented, and am prepared to do the
work. There needs to be some agreement on how it should be done. I can think of
three options:

1) Change "Format->Character->Font Effects->Underlining" to
"Underlining/Overlining" and add extra choices in the drop-down list for various
overline styles. Note that this would not allow text to be both overlined and
underlined.

2) Add an extra choice, "Line" to the drop-down list "Format->Character->Font
Effects->Emphasis mark". Note that this drop-down list is currently only visible
if support for Asian languages has been enabled, also it would appear that
emphasis marks are not placed over white space (although they are placed over
punctuation).

3) Add a new drop-down list, "Format->Character->Font Effects->Overlining" with
the same options as for underlining. This gives the most flexibility.

Option 1 is the easiest to implement (I've already done it!) and requires
minimal changes to the code base. The code for rendering the overlines is
already present (although a bit buggy).

Option 2 is probably almost as easy to implement and again would not require
major changes to the code base.

Option 3 is fairly straightfoward - you just need to duplicate all the
underlining control - but does mean extensive changes to the code base.

Personally I think option 3 is the one to go for - the others are not really
intuitive to the user.

Some other issues:

1) The current overlining code tends to draw outside the character box when
rendering on screen. This results in a single pixel height line being left
behind when overlined text is moved or deleted. This would need to be fixed.

2) I don't know whether or not the ODF SVG overline attributes can be used for
this purpose. They seem to relate to a font face, not a text style.

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