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<!-- SVG allows defining glyph elements with an empty unicode attribute and missing-glyph -->
<!-- elements with a non-empty unicode attribute. This file is meant to test for the -->
<!-- confusion that may cause. -->
<!-- If glyph handling works at all, the table will display arrows either facing up or -->
<!-- down. An arrow facing up stands for a passed test, an arrow facing down for a fail. -->
<defs>
<font xml:id="missing-glyph-with-unicode-mgf">
<font-face font-family="missing-glyph-with-unicode-mgf"/>
<missing-glyph unicode="a" d="M0 1000L500 0L1000 1000z"/>
<glyph unicode="a" d="M0 0L1000 0L500 1000z"/>
</font>
<font xml:id="missing-glyph-with-unicode-mgl">
<font-face font-family="missing-glyph-with-unicode-mgl"/>
<glyph unicode="a" d="M0 0L1000 0L500 1000z"/>
<missing-glyph unicode="a" d="M0 1000L500 0L1000 1000z"/>
</font>
<font xml:id="glyph-without-unicode-mgf">
<font-face font-family="glyph-without-unicode-mgf"/>
<missing-glyph d="M0 0L1000 0L500 1000z"/>
<glyph d="M0 1000L500 0L1000 1000z"/>
</font>
<font xml:id="glyph-without-unicode-mgl">
<font-face font-family="glyph-without-unicode-mgl"/>
<glyph d="M0 1000L500 0L1000 1000z"/>
<missing-glyph d="M0 0L1000 0L500 1000z"/>
</font>
<font xml:id="glyph-empty-unicode-mgf">
<font-face font-family="glyph-empty-unicode-mgf"/>
<missing-glyph d="M0 0L1000 0L500 1000z"/>
<glyph unicode="" d="M0 1000L500 0L1000 1000z"/>
</font>
<font xml:id="glyph-empty-unicode-mgl">
<font-face font-family="glyph-empty-unicode-mgl"/>
<glyph unicode="" d="M0 1000L500 0L1000 1000z"/>
<missing-glyph d="M0 0L1000 0L500 1000z"/>
</font>
<font xml:id="multiple-missing-glyph-mgf">
<font-face font-family="multiple-missing-glyph-mgf"/>
<missing-glyph d="M0 0L1000 0L500 1000z"/>
<missing-glyph d="M0 1000L500 0L1000 1000z"/>
<glyph unicode="a" d="M0 1000L500 0L1000 1000z"/>
</font>
<font xml:id="multiple-missing-glyph-mgl">
<font-face font-family="multiple-missing-glyph-mgl"/>
<glyph unicode="a" d="M0 1000L500 0L1000 1000z"/>
<missing-glyph d="M0 0L1000 0L500 1000z"/>
<missing-glyph d="M0 1000L500 0L1000 1000z"/>
</font>
<font xml:id="no-missing-glyph">
<font-face font-family="no-missing-glyph"/>
<glyph unicode="a" d="M0 1000L500 0L1000 1000z"/>
</font>
</defs>
<rect x="0" y="0" width="1000" height="390" fill="white"/>
<text x="10" y="30" font-family="Arial">(All arrows should face up)</text>
<text x="450" y="30" font-family="Arial"><missing-glyph> first</text>
<text x="750" y="30" font-family="Arial"><missing-glyph> last</text>
<text x="10" y="80" font-family="Arial"><missing-glyph> with unicode attribute:</text>
<!-- Should show the <glyph>, not the <missing glyph> with the same unicode -->
<text x="550" y="80" font-family="missing-glyph-with-unicode-mgf">a</text>
<text x="850" y="80" font-family="missing-glyph-with-unicode-mgl">a</text>
<text x="10" y="130" font-family="Arial"><glyph> without unicode attribute:</text>
<!-- Should show the <missing-glyph>, not the <glyph> without unicode -->
<text x="550" y="130" font-family="glyph-without-unicode-mgf">a</text>
<text x="850" y="130" font-family="glyph-without-unicode-mgl">a</text>
<text x="10" y="180" font-family="Arial"><glyph> with empty unicode attribute:</text>
<!-- Should show the <missing-glyph>, not the <glyph> with empty unicode -->
<text x="550" y="180" font-family="glyph-empty-unicode-mgf">a</text>
<text x="850" y="180" font-family="glyph-empty-unicode-mgl">a</text>
<text x="10" y="230" font-family="Arial">multiple <missing-glyph> elements:</text>
<!-- Should show the first <missing-glyph> -->
<text x="550" y="230" font-family="multiple-missing-glyph-mgf">b</text>
<text x="850" y="230" font-family="multiple-missing-glyph-mgl">b</text>
<text x="10" y="330" font-family="Arial">(No arrow must be drawn)</text>
<text x="10" y="380" font-family="Arial">no <missing-glyph> element:</text>
<!-- Should show nothing -->
<text x="550" y="380" font-family="no-missing-glyph">b</text>
</svg>