Preparses vs Reparses - What's the difference?

As verbs the difference between preparses and reparses

is that preparses is third-person singular of preparse while reparses is third-person singular of reparse.

(head)

(preparse)

(prepars)

To parse in advance.

* preparser

* * *

(head)

(reparse)

(repars)

To parse again.