MACROMEDIA FLASH 8-USING FLASH Use Manual page 171

Anti-Alias for Animation
Flash ignores alignment and kerning information. Specifying Anti-Alias for Animation
creates a larger SWF file, because font outlines are embedded.
Fonts rendered using Anti-Alias for Animation are less legible at smaller font sizes.
for this reason, it is recommended that you use 10 point or larger type when
specifying Anti-Alias for Animation.
Anti-Alias for Readability
fonts, particularly at small sizes. Specifying Anti-Alias for Readability creates a larger SWF
file, because font outlines are embedded. In order to use the Anti-Alias for Readability
setting you must publish to Flash Player 8.
Anti-Alias for Readability creates a highly legible typeface even at small sizes.
However, it animates poorly, and may cause performance problems. If you intend to
animate text, use Anti-Alias for Animation.
Custom Anti-Alias (Flash Professional only)
see fit. The custom anti-aliasing properties are as follows:
Sharpness
determines the smoothness of the transition between the text edges and
the background.
Thickness
determines how thick the font anti-aliasing transition appears. Larger
values cause the characters to look thicker.
Specifying Custom Anti-Alias creates a larger SWF file, because font outlines are
embedded. In order to use the Custom Anti-Alias setting, you must publish to Flash
Player 8 and author your Flash content using Flash Professional 8.
Upgrading Flash 7 content to use Flash 8 anti-
aliasing options
When you open a FLA file created for use with Flash Player 7 or earlier, the text Property
inspector sets the anti-alias option to its equivalent anti-aliasing option from Flash MX 2004.
Text from older FLA files can be anything except for Anti-Alias for Readability and Custom
Anti-Alias.
creates a smoother animation. This is possible in part because
uses a new anti-aliasing engine that improves the readability of
lets you modify the font's properties as you
Setting text attributes 171