# Sets the window's padding (the number of pages on either side of the
# window page).
def padding=(padding)
- @padding = padding < 0 ? 0 : padding
+ @padding = padding.negative? ? 0 : padding
# Find the beginning and end pages of the window
@first = if @paginator.has_page_number?(@page.number - @padding)
@paginator[@page.number - @padding]