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 <span style="color: #008080;">type</span> <span style="color: #000000;">rid</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000080;font-style:italic;">/*r*/</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">return</span> <span style="color: #004600;">true</span> <span style="color: #008080;">end</span> <span style="color: #008080;">type</span>

 <span style="color: #008080;">procedure</span> <span style="color: #000000;">use</span><span style="color: #0000FF;">(</span><span style="color: #000000;">rid</span> <span style="color: #000000;">fi</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000000;">a</span><span style="color: #0000FF;">,</span><span style="color: #000000;">b</span><span style="color: #0000FF;">)...</span>
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