AWeb supported HTML

Tags (T-Z)

The Mode column in the tables below contains the HTML mode that recognizes the tag or attribute. Elements recognized in strict mode will also be recognized in tolerant mode, but elements marked as tolerant will not be recognized in strict mode.

TABLE

Tag

Explanation

Mode

Defines a table. The table element can contain (in this order):

An optional CAPTION element.
Optionally one or more COLGROUP elements, or one or more COL elements.
An optional THEAD element.
An optional TFOOT element.
Either one or more TBODY elements, or one or more TR elements.
An optional CAPTION element. Only one CAPTION can occur within a table.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Specifies the location where to render the table in the window. Default is left aligned.

Strict

BACKGROUND="url"

Specifies a background image. The image is tiled across all cells in the table.

Tolerant (NS)

BGCOLOR=#rrggbb
BGCOLOR=colourname

Specifies the background colour for all cells in the table.
See colour specifications for a list of valid names.

Strict

FRAME="framespec"

Specifies the type of frame to put around the table. Possible values are:

FRAME	Meaning
void	No sides. This is the default value.
above	The top side only.
below	The bottom side only.
hsides	The top and bottom sides only.
vsides	The right and left sides only.
lhs	The left-hand side only.
rhs	The right-hand side only.
box	All four sides.
border	All four sides.

If a border is requested, its thickness can be specified with the BORDER attribute.

Strict

RULES="rulespec"

Specifies the type of rules to render between the cells. Possible values are:

RULES	Meaning
none	No rules. This is the default value.
groups	Rules will appear between row groups (see THEAD, TFOOT and TBODY) and column groups (see COLGROUP) only.
rows	Rules will appear between rows only.
cols	Rules will appear between columns only.
all	Rules will appear between all rows and columns.

Strict

BORDER=nn
BORDER

Specifies the thickness of the frame around the table, if a frame was requested by the FRAME attribute.

If no FRAME attribute is given, then the presence of the BORDER attribute implies FRAME="border", unless BORDER=0 is given.
If no RULES attribute is given, then the presence of the BORDER attribute implies RULES="all", unless BORDER=0 is given.

Strict

BORDERCOLOR=#rrggbb
BORDERCOLOR=colourname

Specifies the colour to render the borders in for the entire table. Borders will be solid, not 3-D.
See colour specifications for a list of valid names.

Tolerant (MS)

BORDERCOLORDARK=#rrggbb
BORDERCOLORDARK=colourname
BORDERCOLORLIGHT=#rrggbb
BORDERCOLORLIGHT=colourname

Specifies the colours to use for the dark and light edges of the 3-D borders in the entire table.
See colour specifications for a list of valid names.

Tolerant (MS)

CELLPADDING=nn

Specifies the distance between the cell contents and the cell border, in pixels.

Strict

CELLSPACING=nn

Specifies the distance that adjacing cells should be separated, in pixels. This is including any borders.

Strict

WIDTH=nn%
WIDTH=nn

Specifies the width of the table, either in a percentage of the window width, or as a number of pixels.

Default is to make the table the minimum size for which all elements can be rendered without wrapping, but not wider than the window.

Strict

TBODY

Tag

Explanation

Mode

Can only appear within a TABLE element
Defines the body of a table. A table can contain more than one TBODY element. The TBODY element must contain one or more TR elements

The end tag is optional.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Renders the text and other elements within table cells in these rows left aligned, centered within the cell width, or right aligned with the cell border.

Strict

VALIGN=TOP
VALIGN=MIDDLE
VALIGN=BOTTOM
VALIGN=BASELINE

Specifies the vertical alignment of the contents of the cells in these rows:

ALIGN	Meaning
TOP	places the cell contents at the top of the cell
MIDDLE	places the cell contents vertically centered within the cell
BOTTOM	places the cell contents at the bottom of the cell
BASELINE	aligns the text in all cells in these rows

This attribute overrides the VALIGN attribute of the COLGROUP and COL elements.

Strict

TD

Tag

Explanation

Mode

Can only appear within a TR element
Defines a table cell.

The end tag is optional.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Renders the text and other elements within the table cell left aligned, centered within the cell width, or right aligned with the cell border.

This attribute overrides the ALIGN attribute of all other table elements.

Strict

BACKGROUND="url"

Specifies a background image for this table cell.

Tolerant (NS)

BGCOLOR=#rrggbb
BGCOLOR=colourname

Specifies the background colour for this table cell.
See colour specifications for a list of valid names.

Strict

BORDERCOLOR=#rrggbb
BORDERCOLOR=colourname

Specifies the colour to render the borders in for this table cell. Borders will be solid, not 3-D.
See colour specifications for a list of valid names.

Tolerant (MS)

BORDERCOLORDARK=#rrggbb
BORDERCOLORDARK=colourname
BORDERCOLORLIGHT=#rrggbb
BORDERCOLORLIGHT=colourname

Specifies the colours to use for the dark and light edges of the 3-D borders for this table cell.
See colour specifications for a list of valid names.

Tolerant (MS)

COLSPAN=nn

This cell spans several adjacent columns.

Strict

ROWSPAN=nn

This cell spans several adjacent rows.

Strict

NOWRAP

Text in this cell will not word wrap. The cell will be made wide enough to show the text without wrapping.

Strict

VALIGN=TOP
VALIGN=MIDDLE
VALIGN=BOTTOM
VALIGN=BASELINE

Specifies the vertical alignment of the cell contents:

ALIGN	Meaning
TOP	places the cell contents at the top of the cell
MIDDLE	places the cell contents vertically centered within the cell
BOTTOM	places the cell contents at the bottom of the cell
BASELINE	aligns the text in this cell with the text in other cells in the same row that have VALIGN=BASELINE specified

This attribute overrides the VALIGN attribute of all other table elements.

Strict

WIDTH=nn%
WIDTH=nn

Specifies the width of this column, either in a percentage of the table width or as a number of pixels.

Strict

HEIGHT=nn%
HEIGHT=nn

Specifies the height of this column, either in a percentage of the window height or as a number of pixels.

Strict

TEXTAREA

Tag	Explanation	Mode
<TEXTAREA> ... </TEXTAREA>	Can only appear within a FORM element Defines a multi line, scrollable text entry field in a form. The text contained in this element will be the initial text displayed in the field, including line breaks.	Strict
Attribute	Explanation	Mode
COLS=nn	Width of the field in text columns.	Strict
ROWS=nn	Height of the field in rows.	Strict
NAME="name"	Gives this field a name. Fields without a name will not be included in the form data sent.	Strict

TFOOT

Tag

Explanation

Mode

Can only appear within a TABLE element
Defines the head of a table. A table can contain at most one TFOOT element. Note that the TFOOT element must occur before the TBODY element within the table definition. The TFOOT element must contain one or more TR elements.

The end tag is optional.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Renders the text and other elements within table cells in these rows left aligned, centered within the cell width, or right aligned with the cell border.

Strict

VALIGN=TOP
VALIGN=MIDDLE
VALIGN=BOTTOM
VALIGN=BASELINE

Specifies the vertical alignment of the contents of the cells in these rows:

ALIGN	Meaning
TOP	places the cell contents at the top of the cell
MIDDLE	places the cell contents vertically centered within the cell
BOTTOM	places the cell contents at the bottom of the cell
BASELINE	aligns the text in all cells in these rows

This attribute overrides the VALIGN attribute of the COLGROUP and COL elements.

Strict

TH

Tag	Explanation	Mode
<TH> ... </TH>	Can only appear within a TR element Defines a table header cell. The end tag is optional.	Strict
Attribute	Explanation	Mode
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Horizontal alignment, see TD. Default is ALIGN=CENTER.	Strict
BACKGROUND="url"	Specifies a background image for this table cell.	Tolerant (NS)
BGCOLOR=#rrggbb BGCOLOR=colourname	Specifies the background colour for this table cell. See colour specifications for a list of valid names.	Strict
BORDERCOLOR=#rrggbb BORDERCOLOR=colourname	Specifies the colour to render the borders in for this table cell. Borders will be solid, not 3-D. See colour specifications for a list of valid names.	Tolerant (MS)
BORDERCOLORDARK=#rrggbb BORDERCOLORDARK=colourname BORDERCOLORLIGHT=#rrggbb BORDERCOLORLIGHT=colourname	Specifies the colours to use for the dark and light edges of the 3-D borders for this table cell. See colour specifications for a list of valid names.	Tolerant (MS)
COLSPAN=nn	This cell spans several adjacent columns.	Strict
ROWSPAN=nn	This cell spans several adjacent rows.	Strict
NOWRAP	Text in this cell will not word wrap. The cell will be made wide enough to show the text without wrapping.	Strict
VALIGN=TOP VALIGN=MIDDLE VALIGN=BOTTOM VALIGN=BASELINE	Vertical alignment, see TD. Default is VALIGN=MIDDLE.	Strict
WIDTH=nn% WIDTH=nn	Specifies the width of this column, either in a percentage of the table width or as a number of pixels.	Strict
HEIGHT=nn% HEIGHT=nn	Specifies the height of this column, either in a percentage of the window height or as a number of pixels.	Strict

THEAD

Tag

Explanation

Mode

Can only appear within a TABLE element
Defines the head of a table. A table can contain at most one THEAD element. The THEAD element must contain one or more TR elements.

The end tag is optional.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Renders the text and other elements within table cells in these rows left aligned, centered within the cell width, or right aligned with the cell border.

Strict

VALIGN=TOP
VALIGN=MIDDLE
VALIGN=BOTTOM
VALIGN=BASELINE

Specifies the vertical alignment of the contents of the cells in these rows:

ALIGN	Meaning
TOP	places the cell contents at the top of the cell
MIDDLE	places the cell contents vertically centered within the cell
BOTTOM	places the cell contents at the bottom of the cell
BASELINE	aligns the text in all cells in these rows

This attribute overrides the VALIGN attribute of the COLGROUP and COL elements.

Strict

TITLE

Tag	Explanation	Mode
<TITLE> ... </TITLE>	Can only appear within a HEAD element Gives the document a title. Every document should have a title.	Strict

TR

Tag

Explanation

Mode

Can only appear within a TABLE element
Defines a table row.

The end tag is optional.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Renders the text and other elements within table cells in this row left aligned, centered within the cell width, or right aligned with the cell border.

This attribute overrides the ALIGN tag of the THEAD, TFOOT and TBODY elements.

Strict

BACKGROUND="url"

Specifies a background image. The image is tiled across all cells in the table row.

Tolerant (NS)

BGCOLOR=#rrggbb
BGCOLOR=colourname

Specifies the background colour for all cells in the table row.
See colour specifications for a list of valid names.

Strict

BORDERCOLOR=#rrggbb
BORDERCOLOR=colourname

Specifies the colour to render the borders in for the table row. Borders will be solid, not 3-D.
See colour specifications for a list of valid names.

Tolerant (MS)

BORDERCOLORDARK=#rrggbb
BORDERCOLORDARK=colourname
BORDERCOLORLIGHT=#rrggbb
BORDERCOLORLIGHT=colourname

Specifies the colours to use for the dark and light edges of the 3-D borders in the table row.
See colour specifications for a list of valid names.

Tolerant (MS)

VALIGN=TOP
VALIGN=MIDDLE
VALIGN=BOTTOM
VALIGN=BASELINE

Specifies the vertical alignment of the contents of the cells in this row:

ALIGN	Meaning
TOP	places the cell contents at the top of the cell
MIDDLE	places the cell contents vertically centered within the cell
BOTTOM	places the cell contents at the bottom of the cell
BASELINE	aligns the text in all cells in this row

This attribute overrides the VALIGN tag of the COLGROUP, COL, THEAD, TFOOT and TBODY elements.

Strict

TT

Tag	Explanation	Mode
<TT> ... </TT>	Renders text in a fixed width font ("teletype"). Usually it is better to use one of the logical styles (like CODE) instead of phisycal styles like TT.	Strict

U

Tag	Explanation	Mode
<U> ... </U>	Renders text underscored. Usually it is better to use one of the logical styles (like STRONG) instead of phisycal styles like U.	Strict

UL

Tag	Explanation	Mode
<UL> ... </UL>	Defines an unordered list. Items in the list are preceded by bullets. An unordered list should contain one or more LI elements.	Strict
Attribute	Explanation	Mode
TYPE=CIRCLE TYPE=DISK TYPE=SQUARE	Sets the type of bullet for this list.	Strict
DINGBAT="name"	Specifies the type of icon entity to use as a bullet in this list.	Tolerant
SRC="url"	Specifies the source of an image to use as a bullet in this list.	Tolerant (HTML 3.0)
PLAIN	The list items will not be preceded by bullets.	Tolerant (HTML 3.0)

VAR

Tag	Explanation	Mode
<VAR> ... </VAR>	Specifies a variable (e.g. in formulas). Typically rendered in italics.	Strict

WBR

Tag	Explanation	Mode
<WBR>	Specifies the location where a line break may occur within text within the NOBR element.	Tolerant (NS)

XMP

Tag	Explanation	Mode
<LISTING> ... </LISTING>	Specifies an example text. The text is rendered in a fixed width font, exactly as it appears in the document source. No word-wrapping is done.	Strict

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