[patch] bugfix for Opera

[eugene@…]

Today's changes broke Opera 8.50 completely. Opera defines some objects similar to IE or FF, but not all properties and methods are implemented.

Example:

if (document.selection) document.selection.clear();

This code breaks Opera because document.selection doesn't have clear() method. Opera's document.selection is a string. Its only method is createRange(). The correct code should check for methods before calling them:

if (document.selection && document.selection.clear) document.selection.clear();

The same goes for new SVG sniffing, which expects enabledPlugin to be defined.

[eugene@…]

patch for html.js and hostenv_browser.js

[psowden]

(In [1608]) applying Opera fix patch, fixes #122

[psowden]

The document.selection code is in a try-catch block so that should actually be fine without modification. I've applied your changes to hostenv_browser.js though.

Thanks very much for taking the time out to create these patches, it's very much appreciated!

[eugene@…]

I tested it and ... it doesn't work. try/catch is funny in Opera. You should apply the patch to html.js.

[psowden]

(In [1609]) applying (modified) patch to fix drag and drop in Opera. fixes #122 and fixes #123