[logback-user] Automatic reload works for "include"d files, but not property files

Using logback 1.2.9. While testing some changes for overriding property values, I noticed that if I save a change to my "logback.xml" or in an xml file that I "include" from that file, logback will automatically reload with the specified interval. However, if I defined a "property" element referring to a properties file in that "logback.xml", and I save a change to that file, no automatic reload happens. Is that intended?