E010 - Herst/bootlint-ng GitHub Wiki
Note: Below is the original page from the Bootlint documentation, some of the info here might not apply to Bootlint-NG!
As mentioned in the documentation, Bootstrap does not support multiple form-controls in a single input group, regardless of where they are located within the input group.
Wrong (unsupported):
<div class="input-group">
<span class="input-group-addon">$</span>
<input type="text" class="form-control" placeholder="Dollars">
<input type="text" class="form-control" placeholder="Cents">
</div>Right (supported):
<div class="input-group">
<span class="input-group-addon">$</span>
<input type="text" class="form-control" placeholder="Amount">
</div>Wrong (unsupported):
<div class="input-group">
<input type="text" class="form-control" placeholder="Username">
<span class="input-group-addon">@</span>
<input type="text" class="form-control" placeholder="Domain">
</div>Right (supported):
<div class="input-group">
<input type="text" class="form-control" placeholder="Username">
<span class="input-group-addon">@example.com</span>
</div>