Tente colocar seu valor entre aspas:
<input name="name" type="text" id="name" title="Enter Name" size="23" maxlength="400" value="<?php echo htmlspecialchars($row3['name'])?>">
<input name="name" type="text" id="name" title="Enter Name" size="23" maxlength="400" value="<?php echo htmlspecialchars($row3['name'])?>">
