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Clarify indented string escaping rules

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Orivej Desh 2017-10-26 18:50:59 +00:00
parent 15457c5673
commit 842ce8bafd
1 changed files with 9 additions and 5 deletions
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14
doc/manual/expressions/language-values.xml
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@ -98,13 +98,17 @@ configureFlags = "
<para>Since <literal>${</literal> and <literal>''</literal> have <para>Since <literal>${</literal> and <literal>''</literal> have
special meaning in indented strings, you need a way to quote them. special meaning in indented strings, you need a way to quote them.
<literal>${</literal> can be escaped by prefixing it with <literal>$</literal> can be escaped by prefixing it with
<literal>''</literal> (that is, two single quotes), i.e., <literal>''</literal> (that is, two single quotes), i.e.,
<literal>''${</literal>. <literal>''</literal> can be escaped by <literal>''$</literal>. <literal>''</literal> can be escaped by
prefixing it with <literal>'</literal>, i.e., prefixing it with <literal>'</literal>, i.e.,
<literal>'''</literal>. Finally, linefeed, carriage-return and <literal>'''</literal>. <literal>$</literal> removes any special meaning
tab characters can be written as <literal>''\n</literal>, from the following <literal>$</literal>. Linefeed, carriage-return and tab
<literal>''\r</literal>, <literal>''\t</literal>.</para> characters can be written as <literal>''\n</literal>,
<literal>''\r</literal>, <literal>''\t</literal>, and <literal>''\</literal>
escapes any other character.
</para>
<para>Indented strings are primarily useful in that they allow <para>Indented strings are primarily useful in that they allow
multi-line string literals to follow the indentation of the multi-line string literals to follow the indentation of the