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doc/syntax/literals.rdoc: explain #@foo and #$foo

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Yusuke Endoh 2020-09-29 14:39:21 +09:00
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commit 2e947bc181
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doc/syntax/literals.rdoc
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@ -143,6 +143,9 @@ Double-quote strings allow interpolation of other values using
Any expression may be placed inside the interpolated section, but it's best to
keep the expression small for readability.
You can also use <tt>#@foo</tt> and <tt>#$foo</tt> as a shorthand for,
respentively, <tt>#{ @foo }</tt> and <tt>#{ $foo }</tt>.
Interpolation may be disabled by escaping the "#" character or using
single-quote strings: