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Netscape Extensions to HTML

We recommend that you do not use anyone's extensions to HTML. They are not part of the current HTML standard so many browsers do not support them, and some of them are unlikely to become part of the next standard and so will not work in the future.

That said, presumably you came to this page because you wanted to use them. So...

The primary netscape extensions are described at Netscape's Web site:

We allow you to insert such HTML tags in the following ways:

Backgrounds, and Foreground Colors

Netscape allows you to specify a background image which will be tiled across your screen, a background color which will be used if you don't have a background image, and a foreground color used for normal text. Netscape also allows you to specify various link colours, which GNNpress does not support, but you may use the same mechanism to set them in your page. These are all attributes to the <BODY> HTML tag.

To set a background image bring up the Special Tag dialogue and type in
BODY BACKGROUND="foo.gif"
Where foo.gif is an image in the directory containing your page.

To set a foreground colour bring up the Special Tag dialogue and type in
BODY TEXT=#ffff00
The value given to text is a hex rgb colour specification. This consists of a "#" followed 6 hex characters, the first two of which are the red value (where ff means fully red and 00 means black), the next two are green and the last two are blue. So #ff0000 is red, #00ff00 is green, #0000ff is blue, #ffff00 is yellow, #000000 is black, #ffffff is white, and #808080 is a medium grey.

To set a background colour bring up the Special Tag dialogue and type in
BODY BGCOLOR=#c0c0c0

To set more than one, type
BODY BACKGROUND=foo.gif TEXT=#ffff00

Centering

To center a portion of text, select the text which you want centered, bring up the Special Tag dialogue, and type:
CENTER

Tables

GNNpress 1.01 does not support netscape tables, but it will let you enter them. To make a table, first enter all of the material you would like to have in the table (without any paragraphs or line breaks). Next, select the entire region you want to be the table, bring up the Special Tag dialogue and type:
TABLE
Then for each row select that row, bring up the Special Tag dialogue and type
TR
Then for each column element, select it, bring up Special Tag and type:
TD

You might want to specify attributes for these tags:
TABLE BORDER CELLPADDING=3

GNNpress 1.1 will fully support both Netscape and HTML 3.0 Tables.

Lists

To put netscape attribute extensions on a list: create the list, place the cursor inside the list, and then bring up the Special Tag dialogue. For example, to set the start value on a numbered list and the numeric type, type
OL START=3 TYPE=I
To change the bullet type of un unnumbered list
UL TYPE=square
To change the number of a List line, type
LI VALUE=8

Others

In general if you want to insert an extended HTML tag which needs to be terminated select the region of text you want it to refer to, then bring up the Special Tag dialogue and type the tag with any attributes, as
FONT SIZE=5

If you want to insert an extended HTML tag which does not need to be terminated, place the cursor where you want the tag to go, bring up the Special Tag dialogue, and type; for example:
HR WIDTH=70%
IMG SRC=foo.jpeg ALIGN=right