feat: update docs

Author: oprudkyi

godoc-current.txt

@@ -502,6 +502,8 @@ type Command struct {
 	SliceFlagSeparator string `json:"sliceFlagSeparator"`
 	// DisableSliceFlagSeparator is used to disable SliceFlagSeparator, the default is false
 	DisableSliceFlagSeparator bool `json:"disableSliceFlagSeparator"`
+	// MapFlagKeyValueSeparator is used to customize the separator for MapFlag, the default is "="
+	MapFlagKeyValueSeparator string `json:"mapFlagKeyValueSeparator"`
 	// Boolean to enable short-option handling so user can combine several
 	// single-character bool arguments into one
 	// i.e. foobar -o -v -> foobar -ov

testdata/godoc-v3.x.txt

@@ -502,6 +502,8 @@ type Command struct {
 	SliceFlagSeparator string `json:"sliceFlagSeparator"`
 	// DisableSliceFlagSeparator is used to disable SliceFlagSeparator, the default is false
 	DisableSliceFlagSeparator bool `json:"disableSliceFlagSeparator"`
+	// MapFlagKeyValueSeparator is used to customize the separator for MapFlag, the default is "="
+	MapFlagKeyValueSeparator string `json:"mapFlagKeyValueSeparator"`
 	// Boolean to enable short-option handling so user can combine several
 	// single-character bool arguments into one
 	// i.e. foobar -o -v -> foobar -ov