On 2011-4-29 7:07 , LyX Ticket Tracker wrote:
The problem is that old layout files do not work anymore because the CopyStyle directive does not work with the legacy naming convention for inset layout styles.#7506: CopyStyle for inset layout does not work Comment(by rgheck):I'll have to check this with current trunk. But I'm guessing that the issue is just that the new layouts were not named properly, yet the layout format is beyond where lyx2lyx will fix this.