2020-03-13 Jürgen Spitzmüller <spitz@lyx.org>
* Format incremented to 593: Buffer param \maintain_unincluded_children is not longer a bool
(true|false) but has three states: "no" (formerly "false"), "strict" (formerly "true") and
- "once" (a new intermediate state).
+ "mostly" (a new intermediate state).
2020-01-11 Jürgen Spitzmüller <spitz@lyx.org>
* Format incremented to 592: Add tabular column/row tag changed="[added|deleted] id time"