SVG provides for all of HTML's font controls, such as
Font designation (as well as alternative font designation)
However, it adds to this list by supporting
True font designation (through referencing font outline packages)
Letter and word spacing
Rendering control (whether aliased or anti-aliased)
Binding type to a path
What's more, SVG's typographic functionality can be extended with other font technologies. For instance, SVG uses its own SVG fonts to define a typeface's character outlines, but you are not confined to this technology to embed typefaces. You can choose to use CSS2's WebFonts or Adobe's CEF technology if you are so inclined.
With CEF, you can export your entire typeface as binary ...