_parse_help: Treat " or " as a separator when parsing options.

bash_completion

@@ -728,7 +728,7 @@ _parse_help()
             ((^|[^-])-[A-Za-z0-9?][[:space:]]+)\[?[A-Z0-9]+\]? ]]; do
             line=${line/"${BASH_REMATCH[0]}"/"${BASH_REMATCH[1]}"}
         done
-        __parse_options "$line"
+        __parse_options "${line// or /, }"
 
     done
 }

test/unit/_parse_help.exp

@@ -125,5 +125,9 @@ set cmd {fn() { printf '%s\n' "--foo."; }; _parse_help fn}
 assert_bash_list "--foo" $cmd "--foo."
 sync_after_int
 
+set cmd {fn() { printf '%s\n' "-f or --foo"; }; _parse_help fn}
+assert_bash_list "--foo" $cmd "-f or --foo"
+sync_after_int
+
 
 teardown