Yes, #7506 is invalid and I just marked as as such.
On 2011-9-23 19:32 , LyX Ticket Tracker wrote:
#7301: Issues with svmono.layout
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Reporter: marcus | Owner: uwestoehr
Type: defect | Status: assigned
Priority: normal | Milestone: 2.0.2
Component: layout | Version: 2.0.0svn
Severity: normal | Keywords: fixedintrunk fixedinbranch
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Comment(by jrioux):
OK thanks for your explanation. So as long as backward compatibility is
respected it is acceptable for branch. It's a design decision that I will
have to remember and live with. The idea about the release notes is good.
One could also mention that forward compatibility is possible if users
copy the new layouts to their user directory.
By the way your commits might also have fixed #7506, please check.