Item10978: Select element created with select+values does not handle empty select string

If the select value of the select+values part is an empty string (perhaps because of a SEARCH), the select HTML element shows the value part.

With this data table:

Name	Type	Size	Values	Tooltip message	Attributes
wordType	select+values	1	,=1,Two=2	Type of word

You will get this select element:

=1 Two

Instead of

<option value="=1" class="foswikiOption">=1</option>

the option should be

<option value="1" class="foswikiOption"></option>

The parsing of the select+values is done in Form::Select, line 58. The current regex is:

if ( $val =~ /^(.*?[^\\])=(.*)$/ ) {
    $str = TAINT($1);

but I believe it should be

if ( $val =~ /^(.*[^\\])*=(.*)$/ ) {
    $str = TAINT($1) || '';

-- ArthurClemens - 17 Jul 2011

Updated unit test and committed.

-- ArthurClemens - 17 Jul 2011

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