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<h1 class="topictitle1">Checklist: Bidirectional support guidelines</h1>
<div><p>When you create an application with bidirectional support, follow
the guidelines in this table.</p>
<div class="section">
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" width="14.285714285714285%" id="d0e23">Complies</th>
<th valign="top" width="14.285714285714285%" id="d0e25">Not applicable</th>
<th valign="top" width="71.42857142857143%" id="d0e27">Rule</th>
</tr>
</thead>
<tbody><tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Software design must allow for bidirectional data to be passed to applications
in the same order that a speaker of the language can spell it out.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">The product design must allow for the implementation of the correct
handling of bidirectional keyboard and presentation functions.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Designing of a function that implies logical movement of cursor or
characters must permit mirroring of that function.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Keys or operations labeled with directional icons or symbols must perform
according to the icon or symbol.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Keyboard nomenclature for mirrored functions must be independent of
the direction of data or text entry.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Display functions must not assume a left-to-right orientation.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Field attributes must contain room for directional information.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Indicator location must be reserved for the current direction of the
cursor (direction of input).</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">The design must allow for independent handling of graphic and text
orientation.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Provision must be made to allow shape determination to be performed.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">The deshaping must be definable.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Provision must be made to allow the selection of the appropriate presentation
shape for the numerals.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Characters must be allowed to touch each other on printers and displays.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">Indicator locations should be reserved for screen and field orientation,
current level of nesting, status of push (nesting mechanism), and status of
symmetric swapping.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">The design should provide for a method to indicate to the user the
nesting structure of a string.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">A system-wide method of deshaping Arabic characters or character strings
should be provided.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">An indicator location should be provided for the status of shape determination.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">A method should be provided so that proportional spacing can be provided.</td>
</tr>
<tr><td valign="top" width="14.285714285714285%" headers="d0e23 "> </td>
<td valign="top" width="14.285714285714285%" headers="d0e25 "> </td>
<td valign="top" width="71.42857142857143%" headers="d0e27 ">A method should be provided to allow alignment of the baseline of Arabic
and Latin characters (including Hindi and Arabic shapes for numerals).</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rbagsbidi.htm" title="Arabic and Hebrew languages use an alphabet written and read from right to left. Numerics and Latin text imbedded in the right-to-left text are written and read from left to right; therefore, these languages are called bidirectional languages.">Work with bidirectional data</a></div>
</div>
<div class="relconcepts"><strong>Related concepts</strong><br />
<div><a href="rbagsbidicodedispguide.htm" title="When you are developing NLV-enabled applications, consider these restrictions in this topic.">Code globalized applications that use bidirectional data</a></div>
</div>
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