Has anyone experienced this phenomenon with embedded text library assets?

I have a Font symbol in my library set to a font of my choosing. We'll say Arial
Linkage identifier named "myArial"

Is it true that once you specify a font in the Library assets for a TextField, that some of actionscript properties for TextFormat become null?

var my_fmt:TextFormat = new TextFormat();
my_fmt.bold = true;
my_fmt.font = "myArial";
my_fmt.color = Math.random()*0xffffff;
my_fmt.size = 30;

this.createTextField("my_txt", this.getNextHighestDepth(), Stage.width*0.5, Stage.height*0.5, 500, 200);
my_txt.selectable = false;
my_txt.embedFonts = true;
my_txt.text = "Hello world";
my_txt.setTextFormat(my_fmt);

What do you want to build today?

[Nutrox]

You don't use the linkage ID for fonts, you use the actual font name. Font linkage IDs are pretty irrelevant really.

my_fnt.font = "Arial";

If embedFonts is true Flash looks in the SWF for the font, otherwise it looks in OS directories. Not sure about some of TextFormat properties becoming null, I have never noticed anything strange happening with that.