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@Section
@Title { "@Wide" and "@High" }
@Tag { wide }
@Begin
@PP
The @@Wide symbol
wide.sym @Index { @@Wide symbol }
returns its right parameter modified to have the width given by its left
parameter, which must be a length (Section {@NumberOf concatenation})
whose unit of measurement is {@Code "c"}, {@Code "i"}, {@Code "p"},
{@Code "m"}, {@Code "f"}, {@Code "s"}, or {@Code "v"}. If the right
parameter is not as wide as required, white space is added at the right;
if it is too wide, its paragraphs are broken (Section {@NumberOf break})
so that it fits. A @@OneCol operation is included in the effect of @@Wide,
since it does not make sense for an object of fixed width to have two column
marks.
@PP
high.sym @Index { @@High symbol }
The @@High symbol similarly ensures that its result is of a given height,
by adding white space at the bottom. In this case it is an error for the
right parameter to be too large. A @@OneRow operation is included.
@End @Section
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