Module undo_buffer

Undo functionality.

Structs

• StyleChange
  Stores one style change.
• TextPositionChange
  Stores a text position change.
• UndoEntry
  Storage for undo.
• UndoVec
  Standard implementation for undo.

Enums

• UndoOp
  Storage for undo.

Traits

• UndoBuffer
  Undo buffer.