diff-imenu-generic-expression

diff-imenu-generic-expression is a variable defined in `diff-mode.el'.
Its value is

((nil "\\+\\+\\+\\ \\([^	\n]+\\)[	\n]" 1)
 (nil "^--- \\([^	\n]+\\)	.*\n\\*" 1))

Documentation:
Not documented as a variable.