How can I d
Go to Window -> Preferences -> Web -> HTML Files -> Editor in the right panel set your Line Width to 999 and remove the input in the inline elements list
Removing input
from the list of inline elements will solve the problem for ya.
You can use table even.
<table>
<tr><td>
<input type="button" value=" 1 " />
</td></tr>
<tr><td>
<input type="button" value=" 2 " />
</td></tr>
<tr><td>
<input type="button" value=" 3 "/>
</td></tr>