Comment 5 for bug 1790203

I think is the last patch :-)

I test all cases :

 <param name="project_files1" type="picture" title="Picture 1 Path" description="">
        <values>
            <value name="" num=""/>
        </values>
        <default>/good_path/filegood.png</default>
    </param>

    <param name="project_files2" type="picture" title="Picture 2 Path" description="">
        <values>
            <value name="" num=""/>
        </values>
        <default>/good_path/badfile.png</default>
 </param>

    <param name="project_files3" type="picture" title="Picture 3 Path" description="">
        <values>
            <value name="/good_path/bidon.png" num="0"/>
            <value name="bad_relative_path/filegood.png" num="1"/>
            <value name="filegood.png" num="2"/>
            <value name="/good_path/filegood.png" num="3"/>
            <value name="/good_path/badfile.png" num="4"/>
        </values>
        <default></default>
 </param>

    <param name="project_files4" type="picture" title="Picture 4 Path" description="">
        <values>
            <value name="/good_path/badfile.png" num="0"/>
            <value name="bad_relative_path/filegood.png" num="1"/>
            <value name="filegood.png" num="2"/>
            <value name="/filegood.png" num="3"/>
            <value name="/good_path/badfile.png" num="4"/>
        </values>
        <default></default>
    </param>

    <param name="project_files5" type="picture" title="Picture 5 Path" description="">
        <values>
            <value name="good_relative_path/filegood.png" num="0"/>
        </values>
        <default>/good_path/badfile.png</default>
    </param>

    <param name="project_files6" type="picture" title="Picture 6 Path" description="">
        <values>
            <value name="good_relative_path/badfile.png" num="0"/>
        </values>
        <default>/good_path/badfile.png</default>
    </param>

    <param name="project_files7" type="picture" title="Picture 7 Path" description="">
        <values>
            <value name="" num=""/>
        </values>
        <default></default>
    </param>