[0-9a-f]* DF \*UND\* [0-9a-f]* VERS_2.0 (0x[0-9a-f][0-9a-f] )?show_foo
[0]* g DO \*ABS\* [0]* VERS_XXX_1.1 VERS_XXX_1.1
[0-9a-f]* g DF (.text|\*ABS\*) [0-9a-f]* VERS_XXX_1.1 (0x[0-9a-f][0-9a-f] )?show_xyzzy