LilyPond Internals Reference: 3.2.50 key-signature-interface

### 3.2.50 key-signature-interface

A group of accidentals, to be printed as signature sign.

#### User settable properties:

> `alteration-alist` (list)

>   List of `(pitch . accidental)` pairs for key signature.

> `c0-position` (integer)

>   An integer indicating the position of middle C.

> `glyph-name-alist` (list)

>   An alist of key-string pairs.

> `padding` (dimension, in staff space)

>   Add this much extra space between objects that are next to each other.

> `padding-pairs` (list)

>   An alist mapping `(name . name)` to distances.

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

#### Internals Reference