<summary>
Returns whether or not the font has any vertical glyph variants.
</summary>
<remarks>
For OpenType fonts, this will return true if the font contains a 'vert'
feature.
</remarks>
<returns>
True if the font contains vertical glyph variants.
</returns>
<summary> Returns whether or not the font has any vertical glyph variants. </summary> <remarks> For OpenType fonts, this will return true if the font contains a 'vert' feature. </remarks> <returns> True if the font contains vertical glyph variants. </returns>