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| author | Orivej Desh <orivej@gmx.fr> | 2017-10-26 18:50:59 +0000 |
|---|---|---|
| committer | Orivej Desh <orivej@gmx.fr> | 2017-10-26 18:53:36 +0000 |
| commit | 842ce8bafd89a896680d8614ffb2b08b6b38452a (patch) | |
| tree | 54df9ab9783da63e04f4dac13d52f1dfb6f72e08 | |
| parent | 15457c56731537e0d424d5feb3f3fcacba39b99b (diff) | |
Clarify indented string escaping rules
| -rw-r--r-- | doc/manual/expressions/language-values.xml | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/doc/manual/expressions/language-values.xml b/doc/manual/expressions/language-values.xml index 67da688a4..bb2090c88 100644 --- a/doc/manual/expressions/language-values.xml +++ b/doc/manual/expressions/language-values.xml @@ -98,13 +98,17 @@ configureFlags = " <para>Since <literal>${</literal> and <literal>''</literal> have special meaning in indented strings, you need a way to quote them. - <literal>${</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>. <literal>''</literal> can be escaped by + <literal>''$</literal>. <literal>''</literal> can be escaped by prefixing it with <literal>'</literal>, i.e., - <literal>'''</literal>. Finally, linefeed, carriage-return and - tab characters can be written as <literal>''\n</literal>, - <literal>''\r</literal>, <literal>''\t</literal>.</para> + <literal>'''</literal>. <literal>$</literal> removes any special meaning + from the following <literal>$</literal>. Linefeed, carriage-return and tab + 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 multi-line string literals to follow the indentation of the |