ins

Пример:

Таблица 3×3
Lorem ipsum dolor sit amet, consectetur adipisicing elit ... ...
... ... ...
... ... ... 

<table>
    <caption>Таблица 3×3</caption>
    <col/>
    <tbody>
        <tr>
            <td>Lorem ipsum dolor sit amet, consectetur adipisicing elit</td>
            <td>...</td>
            <td>...</td>
        </tr>
        <tr>
            <td>...</td>
            <td>...</td>
            <td>...</td>
        </tr>
        <tr>
            <td>...</td>
            <td>...</td>
            <td>...</td>
        </tr>
    </tbody>
</table>

Дети:

A, ABBR, ACRONYM, ADDRESS, APPLET, AREA, ARTICLE, ASIDE, AUDIO, B, BASEFONT, BDO, BIG, BLOCKQUOTE, BR, BUTTON, CANVAS, CENTER, CITE, CODE, COMMAND, DATALIST, DEL, DETAILS, DFN, DIR, DIV, DL, EM, EMBED, FIELDSET, FIGURE, FONT, FOOTER, FORM, H1, H2, H3, H4, H5, H6, HEADER, HGROUP, HR, I, IFRAME, IMG, INPUT, INS, ISINDEX, KBD, KEYGEN, LABEL, MAP, MARK, MENU, METER, NAV, NOFRAMES, NOSCRIPT, OBJECT, OL, OUTPUT, P, PRE, PROGRESS, Q, RUBY, S, SAMP, SCRIPT, SECTION, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TEXTAREA, TIME, TT, U, UL, VAR, VIDEO, WBR.
html 3.2 html 4.0 Frameset html 4.0 Loose html 4.0 Strict html 4.0.1 Frameset html 4.0.1 Loose html 4.0.1 Strict xhtml 1 Frameset xhtml 1 Strict xhtml 1 Transitional html5
a
abbr
acronym
address
applet
area
article
aside
audio
b
basefont
bdo
big
blockquote
br
button
canvas
center
cite
code
command
datalist
del
details
dfn
dir
div
dl
em
embed
fieldset
figure
font
footer
form
h1
h2
h3
h4
h5
h6
header
hgroup
hr
i
iframe
img
input
ins
isindex
kbd
keygen
label
map
mark
menu
meter
nav
noframes
noscript
object
ol
output
p
pre
progress
q
ruby
s
samp
script
section
select
small
span
strike
strong
sub
sup
table
textarea
time
tt
u
ul
var
video
wbr

Атрибуты:

accesskey, cite, class, contenteditable, contextmenu, datetime, dir, draggable, hidden, id, lang, onabort, onblur, oncanplay, oncanplaythrough, onchange, onclick, oncontextmenu, ondblclick, ondrag, ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop, ondurationchange, onemptied, onended, onerror, onfocus, onformchange, onforminput, oninput, oninvalid, onkeydown, onkeypress, onkeyup, onload, onloadeddata, onloadedmetadata, onloadstart, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onmousewheel, onpause, onplay, onplaying, onprogress, onratechange, onreadystatechange, onscroll, onseeked, onseeking, onselect, onshow, onstalled, onsubmit, onsuspend, ontimeupdate, onvolumechange, onwaiting, spellcheck, style, tabindex, title, xml:base, xml:id, xml:lang, xml:space.
html 3.2 html 4.0 Frameset html 4.0 Loose html 4.0 Strict html 4.0.1 Frameset html 4.0.1 Loose html 4.0.1 Strict xhtml 1 Frameset xhtml 1 Strict xhtml 1 Transitional html5
accesskey
cite
class
contenteditable
contextmenu
datetime
dir
draggable
hidden
id
lang
onabort
onblur
oncanplay
oncanplaythrough
onchange
onclick
oncontextmenu
ondblclick
ondrag
ondragend
ondragenter
ondragleave
ondragover
ondragstart
ondrop
ondurationchange
onemptied
onended
onerror
onfocus
onformchange
onforminput
oninput
oninvalid
onkeydown
onkeypress
onkeyup
onload
onloadeddata
onloadedmetadata
onloadstart
onmousedown
onmousemove
onmouseout
onmouseover
onmouseup
onmousewheel
onpause
onplay
onplaying
onprogress
onratechange
onreadystatechange
onscroll
onseeked
onseeking
onselect
onshow
onstalled
onsubmit
onsuspend
ontimeupdate
onvolumechange
onwaiting
spellcheck
style
tabindex
title
xml:base
xml:id
xml:lang
xml:space
Браузерные стили
Chrome 
ins { text-decoration: underline; }
firefox 3.6.3 
ins { text-decoration: underline; }

ins:focus { outline: 1px dotted; }
IE, opera 10.53, safari 4.0.5 
ins { text-decoration: underline; }