<literal>key[locale]=value</literal>. Space before and after the
'=' character are ignored. Newline, tab, carriage return and backslash
characters are escaped as \n, \t, \r, and \\, respectively. To preserve
-initial and final spaces, these can also be escaped as \s.
+leading spaces in values, these can also be escaped as \s.
</para>
<para>