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It is usual to keep the discussion title reasonably short so it just describes the area of interest then provide the details in the discussion body. For instance here you might have
TITLE:
Having problems with autosave feature
BODY:
The autosave feature appears to go inactive for more than 20mins. Is this expected behaviour?
Personally I have never experienced this because I use either ctrl+S (Windows) or cmd+S (mac osx) to save changes at least once every minute when coding. It is a habit I would recommend to everyone 