ERW: The Manual
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Standards and Browser Requirements

ERW heavily relies on browser compliance with respect to a number of standards. Presently only Mozilla (and thus Gecko-based browsers, such as Netscape 6 or Galeon), Konqueror (and thus KHTML-based browsers, such as Safari) and Microsoft® Internet Explorer from version 5.5 up have a sufficiently compliant implementation of these standards to work properly. If ERW detects a browser with insufficient capabilities, it will warn the user.

HTML 4.01

ERW use all features of the W3C standard, including lesser-known elements such as IFRAME, LABEL, FIELDSET and LEGEND.

CSS

ERW uses CSS1 and some features of CSS2.

The W3C Document Object Model

ERW access and dynamically updates HTML elements using Level 1 of the W3C Document Object Model specification, plus bits of Level 2 (mainly for style).

ECMAScript (ECMA-262)

ERW uses as a scripting language the standardised version of the JavaScript language originally developed by Netscape.

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The ERW Graphical Notation Useful Functions