My notes from TPAC.

Tim Berners Lee is arguing we need to clean up the web from the mess, meaning the legacy markup which is out there and is nevertheless displayed by browsers without any error message being displayed. If the amount of non-valid content grows, it makes it hard to build on top of the current layer. What we learned is that each layer needs to build on top, as extension, of lower layers. Making sure that the new content that is produced is "clean" ensures better extensibility, in 15 years (they go real fast). The current browsers implement a step function which either does not display anything or displays the document, despite the errors. This behavior does not reward users for the extra work needed to make the source validate.

Technorati Tags: TPAC