The Complete Manual of Typography322
rule A typographic line used to separate or enclose. The thinnest is a hairline
(about ¼ point thick). Rule weights are measured in points or halves of points.
rule fill A command that links two points in a typeset line with a rule of a
specific weight.
run-in A kind of subhead that shares the baseline of the first line of the para-
graph it introduces.
runaround A margin treatment in which the text follows the shape of a graphic
or other page element.
running head A repetitive heading that appears above the text area of the
pages in a publication.
running indent An indent assigned to two or more consecutiv
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