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inch (in.) Note hyphenation when used as an adjective: 2-inch height, 1-inch-thin design,
but is 1 inch thin. Use inch, not inches, for measurements of 1 inch or less: 0.76 inch thin.
The abbreviation is the same in the singular and the plural. Don’t abbreviate inch in
text. Don’t use the symbol ’’ unless space limitations prevent the use of inch or in.
Incorporated, Inc. Spell out or abbreviate according to the particular corporation’s
preference.
incrementer Don’t use to refer to a control that has up and down arrows, or left and
right arrows, to increase or decrease a value. In user documentation, use up arrow,
down arrow, right arrow, left arrow, or arrows as appropriate. For example, Click one of the
arrows to increase or decrease the volume. If it is necessary to refer to the control itself,
use stepper.
indeterminate progress bar In developer documentation, the progress bar that has a
spinning striped cylinder. In user documentation, use progress indicator and describe
what it looks like.
Developer documentation: Use an indeterminate progress bar when the
duration of a process can’t be determined.
User documentation: A progress indicator (a spinning striped cylinder) lets
you know that a process is taking place.
index For information about indexing, see Chapter 6, “How to Develop an Index,” on
page 217, and your department guidelines.
indexes Not indices, unless you mean mathematical indices.
indicator See progress indicator; submenu indicator.
indicator light Not LED.
industry standard (n.), industry-standard (adj.) Note hyphenation: the industry
standard, an industry-standard video format.
information Use instead of data in user documentation if it makes sense in the context.
Info window Not Get Info window or Info box.
infrared No hyphen.
in front Use to explain the term active (the active window is in front of other windows);
subsequently, use active. You can also use to describe windows that “float” on top of
active windows. See also active; front, frontmost.
initialize When you refer to disks, initialize and format mean the same thing.
inkjet One word.
Chapter 1 Style and Usage
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