patch 8.2.4882: cannot make 'breakindent' use a specific column

Problem:    Cannot make 'breakindent' use a specific column.
Solution:   Add the "column" entry in 'breakindentopt'. (Christian Brabandt,
            closes #10362, closes #10325)
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index cd04845..689c9a2 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1392,14 +1392,20 @@
 			    characters.  It permits dynamic French paragraph
 			    indentation (negative) or emphasizing the line
 			    continuation (positive).
+			    (default: 0)
 		sbr	    Display the 'showbreak' value before applying the
 			    additional indent.
+			    (default: off)
 		list:{n}    Adds an additional indent for lines that match a
 			    numbered or bulleted list (using the
 			    'formatlistpat' setting).
 		list:-1	    Uses the length of a match with 'formatlistpat'
 			    for indentation.
-	The default value for min is 20, shift and list is 0.
+			    (default: 0)
+		column:{n}  Indent at column {n}. Will overrule the other
+			    sub-options. Note: an additional indent may be
+			    added for the 'showbreak' setting.
+			    (default: off)
 
 						*'browsedir'* *'bsdir'*
 'browsedir' 'bsdir'	string	(default: "last")