Adobe InCopy CC 2015 - Manual (Page 288)

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Typography
Last updated 6/13/2015
To set even leading regardless of font size, you can use Embox Center to set leading from the center of the line.
For frame grids, to align to the grid line spacing for lines with different font sizes, set grid alignment to Center and set
Gyoudori to anything other than Automatic in the Paragraph panel.
Leading Basis Position options
From Leading Basis Position in the Paragraph panel menu or Control panel menu, select from the following options
for leading basis.
Embox Top/Right Leading will be based on the top of the embox for horizontal type or on the right of the embox for
vertical type. Leading is measured from the top or right of the current line to the top or right of the next line. These
settings are the default settings.
Embox Center Leading will be based from the center of the current line to the center of the previous line. If different
font sizes exist within the same paragraph, the space between the embox edges of each line will be uneven. When
Embox Center is selected, by setting fixed leading for text with differing font sizes, you can align line spacing for
surrounding lines because leading will occur based on the center of the current embox.
Roman Baseline Leading occurs based on the Roman Baseline. Leading is measured from the baseline of the current
line to the baseline of the previous line. This leading method is the same as that which is used in the Roman composer.
The Roman Baseline is different for each font. The character position may vary even within the same font size if the
fonts are different.
Embox Bottom/Left Leading occurs based from the bottom of the embox for horizontal type or from the left of the
embox for vertical type. Leading is measured from the left or bottom of the current line to the left or bottom of the
previous line.
Note: The same item is present in Grid Alignment in both the Paragraph panel menu and in the Control panel menu. These
items are the bases for aligning to the grid, and not bases for leading. Do not confuse these.
More Help topics
Frame grid properties
Align paragraphs to a baseline grid
Kerning and tracking
About kerning and tracking
Kerning is the process of adding or subtracting space between specific pairs of characters. Tracking is the process of
loosening or tightening a block of text.
Note: Values for kerning and tracking affect Japanese text but normally these options are used to adjust the aki between
roman characters.
Types of kerning
You can automatically kern type using metrics kerning or optical kerning. Metrics kerning uses kern pairs, which are
included with most fonts. Kern pairs contain information about the spacing of specific pairs of letters. Some of these
are: LA, P., To, Tr, Ta, Tu, Te, Ty, Wa, WA, We, Wo, Ya, and Yo.