Asynchronous collaboration for a synchronous collaboration environment

One or more computer-readable storage media having instructions stored thereon that, when executed by a hardware processor, direct the hardware processor to:

• display a document at a computing device, the document being stored with a change list and having a current state of content represented by a current state tree;
• receive, at the computing device, a first change to the document from a user at the computing device;
• update the change list with the first change, broadcast the first change to synchronize a state of the document displayed at other computing devices, and display the document with the first change at the computing device;
• receive, at the computing device, a second change to the document from another computing device;
• update the change list with the second change, and display the document with the second change at the computing device;
• receive, at the computing device, an indication to make a private change;
• and, in response to the indication to make the private change, create a user-specific fork in the change list to contain private changes for the user;
• and
• receive, at the computing device, the private change from the user at the computing device;
• update the change list in the user-specific fork with the private change;
• and represent the private change in the current state tree.

A computing device, comprising:

• a display;
• a hardware processor;
• one or more computer-readable storage media having instructions stored thereon for asynchronous collaboration for a synchronous collaboration environment that, when executed by the hardware processor, direct the hardware processor to:
• display a document, the document being stored with a change list and having a current state of content represented by a current state tree;
• receive, via a user interface system of the computing device, a first change to the document from a user at the computing device;
• update the change list with the first change, broadcast the first change to synchronize a state of the document displayed at other computing devices, and display the document with the first change at the computing device;
• receive a second change to the document from another computing device;
• update the change list with the second change, and display the document with the second change at the computing device;
• receive, via the user interface system of the computing device, an indication to make a private change;
• and, in response to the indication to make the private change, create a user-specific fork in the change list to contain private changes for the user;
• and
• receive, via the user interface system of the computing device, the private change from the user at the computing device;
• update the change list in the user-specific fork with the private change;
• represent the private change in the current state tree;
• and display the private change in the document.