Vim-adventures on level 7 emptyStr = "xx xx";

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In earlier versions of vim-adventures I saw that the Puzzle was emptyStr = "xxxxx"
which could be solved with either fx -> dw
or fx -> de
. However nowadays it seems to be a little different emptyStr = "xx xx"
, which brings me to my question/problem:
How can I delete xx xx
inside the quotes "
as it is not one word anymore, with my given keystrokes shown in the pictures below?
Either I am missing something here or this might be a BUG...
Pictures about "Vim-adventures on level 7 emptyStr = "xx xx";"



VIM Adventures : 게임으로 배우는 Vim 에디터 - 2016.10.18 방송 | vim 강좌, vi 강좌, vim 명령어 | 김왼손의 Khim Academy
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Images: Leah Kelley, DS stories, DS stories, DS stories