man previewer: 'col -b' -> 'col -bx'

README.md

@@ -348,7 +348,7 @@ require'fzf-lua'.setup {
       args            = "--color",
     },
     man = {
-      cmd             = "man -c %s | col -b",
+      cmd             = "man -c %s | col -bx",
     },
     builtin = {
       delay           = 100,          -- delay(ms) displaying the preview

doc/fzf-lua.txt

@@ -382,7 +382,7 @@ Consult the list below for available settings:
           args            = "--color",
         },
         man = {
-          cmd             = "man -c %s | col -b",
+          cmd             = "man -c %s | col -bx",
         },
         builtin = {
           delay           = 100,          -- delay(ms) displaying the preview

lua/fzf-lua/config.lua

@@ -133,7 +133,7 @@ M.globals = {
       _ctor           = previewers.fzf.git_diff,
     },
     man = {
-      cmd             = "man -c %s | col -b",
+      cmd             = "man -c %s | col -bx",
       _ctor           = previewers.builtin.man_pages,
     },
     builtin = {

lua/fzf-lua/previewer/builtin.lua

@@ -503,7 +503,7 @@ function Previewer.man_pages:new(o, opts, fzf_win)
       self, Previewer.help_tags, Previewer.base
     )})
   self.filetype = "man"
-  self.cmd = o.cmd or "man -c %s | col -b"
+  self.cmd = o.cmd or "man -c %s | col -bx"
   return self
 end