"Microsoft first implemented the XMLHttpRequest object in Internet Explorer 5 for Windows as an ActiveX object. Engineers on the Mozilla project implemented a compatible native version for Mozilla 1.0 (and Netscape 7). Apple has done the same starting with Safari 1.2.
Similar functionality is covered in a proposed W3C standard, Document Object Model (DOM) Level 3 Load and Save Specification. In the meantime, growing support for the XMLHttpRequest object means that is has become a de facto standard that will likely be supported even after the W3C
Excerpted from "Status of this Document" and "Introduction" sections: "Comments during the SMIL review period suggested that the relationship between SMIL and CSS should be more clearly explained. This note provides a detailed explanation of the relationship between SMIL layout and CSS. It updates a Note from June 15. Most changes are editorial. A section on mapping z-index values from SMIL basic layout to CSS has been added."
"SMIL basic layout has a few multimedia-related options that the initially text-based CSS does not cover yet. These will be
PICS is a W3C specification for describing the content of resources with a metadata label. PICS was originally designed as a way for parents and teachers to gain control over the Web sites and pages that children could access on the Internet. The PICS standards facilitate the following:
* Self-rating Content providers voluntarily label the content they create and distribute.
* Third-party rating Independent labeling services associate labels with content created by others. These services may devise their own labeling, and multiple services
After a number of internal and published requirements documents, the first XForms draft specification was published on April 6, 2000. The title of this document, "Datamodeling Proposal for XForms," gave a strong hint about how undeveloped this initial effort was. In fact, the final versions of the XForms specification bear no resemblance at all to this first attempt.
Why was this? At the time the initial XForms Working Draft was under development, another W3C specification called "XML Schema" was gradually progressing through the W3C channels. In