1.   But it does require continuous vigilance against lapses and constant revision of the law to close unintended loopholes.

2.   From that point the novel was a matter of accretion, growth and constant revision.

3.   His passion for endless tinkering and constant revisions has driven designers out the door.

4.   Here, events kept changing under her, prompting constant revisions.

5.   It is a software business, in which there are constant revisions and changes.

6.   While scientific knowledge is tentative and subject to constant revision, mathematics is usually seen as eternal.

7.   Exhibit director Juan Luna declined Wednesday to even estimate how many Goyas there are, saying it was under constant revision.

8.   Luna declines to even estimate how many Goyas there are, saying it was an issue under constant revision.