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5.7:H305106 Provide abbreviations for header labels.

Improper design

There was no usage of abbr for long labeling title.

Improper design:

  <TABLE border="1" summary="the rain percentage increased in the main cities of Taiwan, 
  therefore the in-far red level is just right">
  <CAPTION>
  Weather and in-far red level in the main cities of Taiwan.
  </CAPTION>
  <TR>
  <TH>main cities</TH>
  <TH>rain percentage</TH>
  <TH>In-far red level</TH>
  </TR>
  <TR>
  <TD>taipei</TD>
  <TD>100%</TD>
  <TD>good</TD>
  </TR>
  <TR>
  <TD>tai-chong</TD>
  <TD>60%</TD>
  <TD>good</TD>
  </TR>
  <TR>
  <TD>kuo-shung</TD>
  <TD>50%</TD>
  <TD>good</TD>
  </TR>
  </TABLE>
          

Proper demonstration

Use abbr for excessive long titles.

Proper example:

  <TABLE border="1" summary="the rain percentage increased in the main cities of Taiwan, 
  therefore the in-far red level is just right">
  <CAPTION>
  Weather and in-far red level in the main cities of Taiwan.
  </CAPTION>
  <TR>
  <TH abbr="city">main cities</TH>
  <TH abbr="rain">rain percentage</TH>
  <TH abbr="in-far red">in-far red level</TH>
  </TR>
  <TR>
  <TD>taipei</TD>
  <TD>100%</TD>
  <TD>good</TD>
  </TR>
  <TR>
  <TD>tai-chong</TD>
  <TD>60%</TD>
  <TD>good</TD>
  </TR>
  <TR>
  <TD>kuo-shung</TD>
  <TD>50%</TD>
  <TD>good</TD>
  </TR>
  </TABLE>
          
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