using lsp#ui#vim#output#closepreview() to close preview before open new one #712
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With
let g:lsp_diagnostics_float_cursor = 1
I can't open hover on line with errors.Using
lsp#ui#vim#output#closepreview()
to close previous preview window seems to fix it. From reading the code, it seems to be correct to use this function, but I not sure if there are any other reasons for the original code