backslash, as described below.
@item
-Before anything else is done, trailing whitespace is removed.
+Before anything else is done, trailing white space is removed.
@item
When a line ends in a backslash (@samp{\}), the backslash is removed,
@itemize @minus
@item
-Whitespace preceding the backslash is retained.
+White space preceding the backslash is retained.
@item
This rule continues to be applied until the line read does not end in a
@end itemize
@item
-Blank lines, and lines that contain only whitespace, are ignored.
+Blank lines, and lines that contain only white space, are ignored.
@end itemize
@node Environment variables, Output devices, Configuration files, Configuration
@enumerate
@item
-Leading whitespace is removed.
+Leading white space is removed.
@item
If the resulting line begins with the exact string @code{define},
-followed by one or more whitespace characters, the line is processed as
+followed by one or more white space characters, the line is processed as
a macro definition.
@item
The second type is an identifier or string token. Identifiers and
strings are equivalent after tokenization, though they are written
differently. An identifier is any string of characters other than
-whitespace or equals sign.
+white space or equals sign.
A string is introduced by a single- or double-quote character (@samp{'}
or @samp{"}) and, in general, continues until the next occurrence of
interpreted; only the lower 8 bits are used.
@end table
-Tokens, outside of quoted strings, are delimited by whitespace or equals
+Tokens, outside of quoted strings, are delimited by white space or equals
signs.
@node PostScript driver class, ASCII driver class, Output devices, Configuration
@item line-gutter=@var{dimension}
-Sets the line gutter, which is the amount of whitespace on either side
+Sets the line gutter, which is the amount of white space on either side
of lines that border text or graphics objects. @xref{Dimensions}.
Default: @code{0.5pt}.
@item line-spacing=@var{dimension}
-Sets the line spacing, which is the amount of whitespace that separates
+Sets the line spacing, which is the amount of white space that separates
lines that are side by side, as in a double line. Default:
@code{0.5pt}.