2021

TEXT AND TYPOGRAPHY
Aligning characters on a line
The Character Alignment feature gives you several options for aligning small
characters in a line of text to the largest character in a line of text. You can align
characters based on their baselines, their em boxes, or their ICF boxes.
Em boxes are the bounding boxes of characters. The ideographic character face (ICF)
box is a boundary inside the em box beyond which a glyph cannot extend. ICF
boxes are necessary to ensure that glyphs in an East Asian text flow do not touch
each other. The red area in the diagram below represents the boundaries of the em
box. The yellow area represents the ICF box.
Red represents the em box. Yellow represents the ICF box.
You can align smaller characters with the largest characters that appear in the same
line of text in one of following ways:
Choose an option from the Style > Character Alignment submenu. •
Choose an option from the Char Align drop-down menu on the Paragraph tab •
of the Measurements palette..
The alignment options are:
ICF Box Top: Aligns small characters with the top of the ICF box. •
Embox Top: Aligns small characters with the top edge of the em box of the •
largest character in a line of horizontal text.
Embox Bottom: Aligns small characters with the bottom edge of the em box of •
the largest character in a line of horizontal text.
Embox Center: Aligns small characters with the center of the em box of the •
largest character.
Embox Right: Aligns small characters with the right edge of the em box of the •
largest character in a line of vertical text.
Embox Left: Aligns small characters with the left edge of the em box of the •
largest character in a line of vertical text.
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