U
Underline Options dialog box, 436
undoing change
alignment operation, 304
layer deletion, 167
preference change, 79
redoing undone action, 135
reverting to previous document version, 134, 135
search/replace operation, 337
table cell split, 476
text edit, 334, 337
UniDoc Systems Truekeys software, 751
Uniform Resource Locator. See URL
unit of measurement
font, of, 88, 89, 786
ruler, of, 36, 87 88, 123
Units & Increments pane, 36, 87 90
Unlock Zero Point command, 36
upgrading from prior version of InDesign, 821 822
URL (Uniform Resource Locator)
button, assigning to, 691
hyperlink, assigning to, 683, 685
User dialog box (InCopy), 876