typo
apparently a change between 5.8 and 5.10 causing some tests to fail
a difference between linux and freebsd
align the example in the pod
add some bc tests
use lexically declared loop variables; delay the declaration of some variables; remove some unused variables
remove the left over $& and friends as per RT # 61395
testing clear_accum and set_accum
describe changes
some refactoring, uniting set_accum and clear_accum