Clarify indented string escaping rules
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@ -98,13 +98,17 @@ configureFlags = "
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<para>Since <literal>${</literal> and <literal>''</literal> have
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special meaning in indented strings, you need a way to quote them.
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<literal>${</literal> can be escaped by prefixing it with
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<literal>$</literal> can be escaped by prefixing it with
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<literal>''</literal> (that is, two single quotes), i.e.,
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<literal>''${</literal>. <literal>''</literal> can be escaped by
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<literal>''$</literal>. <literal>''</literal> can be escaped by
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prefixing it with <literal>'</literal>, i.e.,
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<literal>'''</literal>. Finally, linefeed, carriage-return and
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tab characters can be written as <literal>''\n</literal>,
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<literal>''\r</literal>, <literal>''\t</literal>.</para>
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<literal>'''</literal>. <literal>$</literal> removes any special meaning
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from the following <literal>$</literal>. Linefeed, carriage-return and tab
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characters can be written as <literal>''\n</literal>,
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<literal>''\r</literal>, <literal>''\t</literal>, and <literal>''\</literal>
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escapes any other character.
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</para>
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<para>Indented strings are primarily useful in that they allow
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multi-line string literals to follow the indentation of the
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