- a-z, 0-9. All strings should be in UTF-8 format, and
- non-printable characters should not be used. If double
- or single quotes or backslashes are to be used within
- variable assignments, they should be escaped with
- backslashes, following shell style. It is not
- supported to concatenate multiple individually quoted
- strings. Lines beginning with "#" shall be ignored as
- comments.</para>
+ a-z, 0-9. Shell special characters ("$", quotes,
+ backslash, backtick) must be escaped with backslashes,
+ following shell style. All strings should be in UTF-8
+ format, and non-printable characters should not be used.
+ It is not supported to concatenate multiple individually
+ quoted strings. Lines beginning with "#" shall be
+ ignored as comments.</para>