command word: Add an XFail test for issue #207.
command word: Add an XFail test for issue #207.

P71/zsh-syntax-highlighting,zsh-users/zsh-syntax-highlighting,m0vie/zsh-syntax-highlighting,m0vie/zsh-syntax-highlighting,psprint/zsh-syntax-highlighting,joshuarubin/dotfiles,danielshahaf/zsh-syntax-highlighting-debian,danielshahaf/zsh-syntax-highlighting,x-way/zsh-syntax-highlighting,x-way/zsh-syntax-highlighting,psprint/zsh-syntax-highlighting,stuha/wbr-zsh,danielshahaf/zsh-syntax-highlighting,joshuarubin/dotfiles,joshuarubin/dotfiles,phy1729/zsh-syntax-highlighting,danielshahaf/zsh-syntax-highlighting-debian,zsh-users/zsh-syntax-highlighting,joshuarubin/dotfiles,phy1729/zsh-syntax-highlighting,P71/zsh-syntax-highlighting