Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The alphabetic attribute defines the lower baseline of a font. It has the same syntax and semantics as the baseline descriptor within an @font-face.
For horizontally oriented glyph layouts, it indicates the alignment coordinate for glyphs to achieve alphabetic baseline alignment. The value is an offset in the font coordinate system.
You can use this attribute with the following SVG elements: