LilyPond Internals Reference: 3.1.108 RepeatTieColumn

### 3.1.108 `RepeatTieColumn`

An auxiliary grob to determine direction and shape of stacked `RepeatTie` grobs.

`RepeatTieColumn` objects are created by: `Repeat_tie_engraver`.

Standard settings:

`head-direction` (direction):

  `ly:semi-tie-column::calc-head-direction`

  Are the note heads left or right in a semitie?

`X-extent` (pair of numbers):

  `#f`

  Extent (size) in the X direction, measured in staff-space units, relative to object’s reference point.

`Y-extent` (pair of numbers):

  `#f`

  Extent (size) in the Y direction, measured in staff-space units, relative to object’s reference point.

This object supports the following interface(s): `grob-interface`, `item-interface` and `semi-tie-column-interface`.

This object is of class Item (characterized by `item-interface`).

#### LilyPond – Internals Reference v2.24.4 (stable-branch).