选择：往上扩大/缩小选择，持续选择（相同词），
从粘贴版选择复制，
行操作：前置/后置/合并，复制/删除，上下移动，
大小写切换，
注释，
拖放代码，
……
Edit code
select, move, copy
- ctrl (+shift) + w : extend(shrink) the selection.
- alt + j : continously select matchings.
- f3 : go to next matching
- ctrl + shift + v : copy from history.
add, move, remove, copy lines and code blocks
- shift(ctrl + alt) + enter : append(prepend) new line.(wierd shortcut couple)
- ctrl + shift + j : join next line.
- ctrl + d(y) : duplicate(remove) line. (not regular again)
- ctrl + shift + up/down : move line up/down.
- ctrl + shift + enter : ?
- ctrl + shift + u : toggle between upper and lower case.
- ctrl (+ shift) + / : comment (multi lines)
- drag'n'drop : defaultly enabled