[YouTube-API] YouTube EDU category file has wrong category numbers

I downloaded the YouTube EDU categories file from http://gdata.youtube.com/schemas/2007/educategories.cat as described in https://developers.google.com/youtube/2.0/developers_guide_protocol_education.

It seems that the category numbers in the file do not reflect the actual categories. For example, the file contains:

    <atom:category term='326' label='Italian' xml:lang='en-US'>
        <yt:parentCategory term='49'/>
    </atom:category>

However, when I try to retrieve the category feed for category 326, which should be 'Italian', using http://gdata.youtube.com/feeds/api/edu/courses?v=2&category=326, I get a computer science feed instead:

<?xml version='1.0' encoding='UTF-8'?>
<feed xmlns='http://www.w3.org/2005/Atom' xmlns:media='http://search.yahoo.com/mrss/' xmlns:openSearch='http://a9.com/-/spec/opensearch/1.1/' xmlns:gd='http://schemas.google.com/g/2005' xmlns:yt='http://gdata.youtube.com/schemas/2007' gd:etag='W/&quot;C0cMR3YzfSp7I2A9WhJaF08.&quot;'>
    <id>tag:youtube.com,2008:edu:course</id>
    <updated>2012-10-08T18:31:26.885Z</updated>
    <category scheme='http://schemas.google.com/g/2005#kind' term='http://gdata.youtube.com/schemas/2007#course'/>
    <title>Courses for category 326</title>
    <logo>http://www.youtube.com/img/pic_youtubelogo_123x63.gif</logo>
    <link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://gdata.youtube.com/feeds/api/edu/courses'/>
    <link rel='http://schemas.google.com/g/2005#batch' type='application/atom+xml' href='http://gdata.youtube.com/feeds/api/edu/courses/batch'/>
    <link rel='self' type='application/atom+xml' href='http://gdata.youtube.com/feeds/api/edu/courses?start-index=1&amp;max-results=25&amp;category=326'/>
    <link rel='service' type='application/atomsvc+xml' href='http://gdata.youtube.com/feeds/api/edu/courses?alt=atom-service'/>
    <author>
        <name>YouTube</name>
        <uri>http://www.youtube.com/</uri>
    </author>
    <generator version='2.1' uri='http://gdata.youtube.com'>YouTube data API</generator>
    <openSearch:totalResults>12</openSearch:totalResults>
    <openSearch:startIndex>1</openSearch:startIndex>
    <openSearch:itemsPerPage>25</openSearch:itemsPerPage>
    <entry>
        <id>tag:youtube.com,2008:edu:course:0DB77CB540B41DFF</id>
        <updated>2012-10-08T18:31:26.885Z</updated>
        <category scheme='http://schemas.google.com/g/2005#kind' term='http://gdata.youtube.com/schemas/2007#course'/>
        <category scheme='http://gdata.youtube.com/schemas/2007/educategories.cat' term='326'/>
        <title>CS606 Compiler Construction</title>
        <summary>Compiler Construction</summary>
        <link rel='lectures' href='http://gdata.youtube.com/feeds/api/edu/lectures?course=0DB77CB540B41DFF'/>
        <link rel='self' type='application/atom+xml' href='http://gdata.youtube.com/feeds/api/edu/courses/0DB77CB540B41DFF'/>
        <media:group>
            <media:thumbnail url='http://i.ytimg.com/vi/nVsUbG65TWY/default.jpg' height='90' width='120' yt:name='default'/>
            <media:thumbnail url='http://i.ytimg.com/vi/nVsUbG65TWY/hqdefault.jpg' height='360' width='480' yt:name='hqdefault'/>
        </media:group>
        <yt:playlistId>0DB77CB540B41DFF</yt:playlistId>
    </entry>

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