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The o has been kerned
The font height (24 points) is measured
closer to the f.
from
●scender to descender.
I
4
A font is a complete set of
~ characters in a particular
~~~~~~~
t
size and type~ace.
B.ss@line
Uu
Proportional
Serif
spacing
L;ading is the
baseline to bas-line
measurement.
Fontspacingandpitch
You probablyfirst heard the word pitch in comection with typewriters.
Typewritersnormallyusemonospacedspacing:theygiveeachcharacterthe
sameamountof spaceontheline.
Abouthalfthefontsavailableforlaserprintersusemonospacedspacingtoo.
Pitch is alwaysexpressedas so many charactemper inch.Ten-pitch,for
example,meansa fontwithtencharactersin eachinchof theline.
Typesetter forcenturieshaveusedtwospecialsizesof typefor mosttext.
EfitecharactersareIOpointshighand print12charactersperinch.Andpica
chararactersare 12 pointshigh and pitchedat 10 charactersto the inch.
You’ll,often run across thesemonospacedfont sizes in the laser printing
world.
Ideallyeachcharacterinawordshouldnestleagainstitsncighbourssothey
appearevenlyspaced.Butadjacentroundcharactersare aptto look100far
apart,whileflat-sidedcharactersmay appeartoo close.
Proportionalspacingtakesinto accountthe differencesin widthsamong
letters(compareiiwithWW).Proportionallyspacedprintingiseasiertoread
than typewriter-styleprintingin whichall characters,includingpunctua-
tion,havethesamewidth.
Realtypesettersequipcertaincharactemwithkerns,letterpartsthatextend
out to overlapadjoiningletters.In this word Typethey is kernedclosely
againstthe T. Kerningseparatesgreattypefromgoodtype.
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