-Its arguments are the ancestor file and the two variant files.")
-(defvar emerge-diff-options ""
- "*Options to pass to `emerge-diff-program' and `emerge-diff3-program'.")
-(defvar emerge-match-diff-line (let ((x "\\([0-9]+\\)\\(\\|,\\([0-9]+\\)\\)"))
- (concat "^" x "\\([acd]\\)" x "$"))
+Its arguments are the ancestor file and the two variant files."
+ :type 'string
+ :group 'emerge)
+(defcustom emerge-diff-options ""
+ "*Options to pass to `emerge-diff-program' and `emerge-diff3-program'."
+ :type 'string
+ :group 'emerge)
+(defcustom emerge-match-diff-line
+ (let ((x "\\([0-9]+\\)\\(\\|,\\([0-9]+\\)\\)"))
+ (concat "^" x "\\([acd]\\)" x "$"))