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Version: 3.0.0 Build id: 200406192000 Let's start with word AAA_BBB, if you put cursor after BBB and press CTRL+backspace (Cb from now on), _BBB is deleted and AAA will remain, but if you have AAA_bbb, putting the cursor after bbb and pressing Cb will delete everything. If you have AAA_BBB_CCC, putting the cursor after CCC and pressing Cb will delete _CCC and AAA_BBB will remain, but if you have AAA_BBB_ccc, putting the cursor after ccc and pressing Cb will delete _BBB_ccc and AAA will remain.
This happens when you enable Preferences > Java > Editor > Navigation [x] Smart caret positioning in Java names (...) You can disable this to get the platform behavior back. We assumed that _ in Java is either used at the beginning or as part of a constant (with all uppercase letters). Can you tell us your code pattern where you use _ in combination with lower-case letters when writing Java code? To be revisited after 3.0.
Well, to be sincere i stumbled on it by chance. I was correcting the name of a final static field and i intended to write USER_REQUIRED_ATTR_MISSING, but ended writing USER_REQUIRED_ATTR_missing. So i CTRL+backspaced to correct it and _ATTR_missing was eaten, surfacing this behaviour. Since CTRL+cancel is correctly eating all, from the cursor position to the first underscore it finds, independently from the case, i was assuming that CTRL+backspace should behave the same.
I'm marking this one as duplicate of bug 67381 which collects Java word navigation improvements. *** This bug has been marked as a duplicate of 67381 ***
