What programming language is this?

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<BR><BR>
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<fieldset style="margin-bottom: 6px; color: #333333;FONT: 11px Verdana, Tahoma;PADDING:3px;">
<legend><{$language[tickethistory]}></legend>
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<{if $post[ticketpostid] != $ticket[lastpostid]}>
<b><{$post[fullname]}></b> (<{if $post[creator] == "staff"}><{$language[thstaff]}><{elseif $post[creator] == "thirdparty"}><{$language[ththirdparty]}><{elseif $post[creator] == "recipient"}><{$language[threcipient]}><{else}><{$language[thclient]}><{/if}>) <{$language[thpostedon]}> <{$post[date]}>
<hr>
<br>
<{$post[contents]}>

<{if $ticket[hasattachments] == "1" && $post[attachmentcount] > 0}>
<BR /><BR /><fieldset style="margin-bottom: 6px; color: #333333;FONT: 11px Verdana, Tahoma;PADDING:3px;"><legend><{$language[thattachments]}></legend>
<{foreach key=attachkey value=attachment from=$post[attachments]}>
<{$attachment[filename]}> (<{$attachment[attachmentsize]}>)<BR />
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<br><br>
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</fieldset>
<{/if}>

<fieldset style="margin-bottom: 6px; color: #333333;FONT: 11px Verdana, Tahoma;PADDING:3px;">
<legend><{$language[ticketdetails]}></legend><BR>
<{$language[articketid]}><{$ticket[fticketid]}><BR>
<{$language[ardepartment]}><{$ticket[department]}><BR>
<{$language[arpriority]}><font color="<{$priority[frcolorcode]}>"><{$ticket[priority]}></font><BR>
<{$language[arstatus]}><font color="<{$status[statuscolor]}>"><{$ticket[status]}></font><BR>
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</font><{else}><{$contentstext}>

<{if $settings[t_enhistory] == 1}>
<{$language[tickethistory]}>
===================
<{foreach key=key value=post from=$postlist}>
<{if $post[ticketpostid] != $ticket[lastpostid]}>
<{$post[fullname]}> (<{if $post[creator] == "staff"}><{$language[thstaff]}><{elseif $post[creator] == "thirdparty"}><{$language[ththirdparty]}><{elseif $post[creator] == "recipient"}><{$language[threcipient]}><{else}><{$language[thclient]}><{/if}>) <{$language[thpostedon]}> <{$post[date]}>

===============================================================
<{$post[contentstext]}>

<{if $ticket[hasattachments] == "1" && $post[attachmentcount] > 0}>
<{foreach key=attachkey value=attachment from=$post[attachments]}>
<{$attachment[filename]}> (<{$attachment[attachmentsize]}>)
<{/foreach}>
<{/if}>

<{/if}>
<{/foreach}>

<{/if}>
<{$language[ticketdetails]}>
===================
<{$language[articketid]}><{$ticket[fticketid]}>
<{$language[ardepartment]}><{$ticket[department]}>
<{$language[arpriority]}><{$ticket[priority]}>
<{$language[arstatus]}><{$ticket[status]}><{/if}>