### 3.2.131 vaticana-ligature-interface

A vaticana style Gregorian ligature.

#### User settable properties:

> `glyph-name` (string)

>   The glyph name within the font.

>   In the context of (span) bar lines, glyph-name represents a processed form of `glyph`, where decisions about line breaking etc. are already taken.

> `thickness` (number)

>   Line thickness, generally measured in `line-thickness`.

#### Internal properties:

> `flexa-height` (dimension, in staff space)

>   The height of a flexa shape in a ligature grob (in `staff-space` units).

> `flexa-width` (dimension, in staff space)

>   The width of a flexa shape in a ligature grob in (in `staff-space` units).

> `add-cauda` (boolean)

>   Does this flexa require an additional cauda on the left side?

> `add-stem` (boolean)

>   Is this ligature head a virga and therefore needs an additional stem on the right side?

> `add-join` (boolean)

>   Is this ligature head-joined with the next one by a vertical line?

> `delta-position` (number)

>   The vertical position difference.

> `x-offset` (dimension, in staff space)

>   Extra horizontal offset for ligature heads.

This grob interface is used in the following graphical object(s): NoteHead and VaticanaLigature.

#### Internals Reference v2.18.2 (稳定分支).