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1. Create a file (for example, Java class). 2. Tools -> Diff. 3. Select a file to compare and click OK. 4. In diff results, click Options... at the toolbar. Result: Options dialog is open in Miscellaneous, but at the first tab (Ant). If should open at the Diff tab. Please change issue's category to a correct one.
standard behavior of option dialog is this: when is firstly called, Basic options with General settings as default. When you go to another place, if we take your case, Miscellaneous - Diff and press OK button, then next attempt should open Options exactly at this place where you have been at the last. So if I understand it correctly, you have already opened option dialog on Miscellaneous - Diff tab before and if you tried to opened it again then Miscellaneous options were invoked correctly but Ant tab was visible instead of Diff. Is it your case ?
No. I haven't invoke Options dialog at all before executing this scenario. It seems logical that Options dialog should open at a proper place when it's possible to detect which set of options are actual. Partially, in our case it should open at Miscellaneous (and it does so) at Diff tab (but it it doesn't do so).
Reassigning to "editor" for evaluation.
I have fixed this recently, please verify in a recent build. http://hg.netbeans.org/main/rev/18e1c19070d1