[texhax] placing a rule against the top (or bottom) edge of a page

[William Adams]

On Nov 18, 2009, at 12:43 PM, William Adams wrote:

> The centerline of the rule falls 1.096bp short of the top of the  
> page --- why?


Paul (zappathustra) on comp.text.tex was kind enough to clue me in to  
my overlooking \topskip

All fixed now, save for working out why a rounding error induced  
preview glitch happens in TeXShop and Preview.app on Mac OS X.

William

-- 
William Adams
senior graphic designer
Fry Communications
Sphinx of black quartz, judge my vow.