zN<CR> only if preview window is a horizontal split #2306
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When using "coc.preferences.hoverTarget": "preview", coc sets the preview window height with
zN<CR>
. The problem is that it reduces the height of the window even if there is no window adjacent to the top/bottom current window, which is undesirable. Therefore, it first need to check that there is a adjacent window.For example this is what you'll get if you move the preview window to the right size and then do hover.
