gi-webkit2webextension-4.0.20: WebKit2WebExtension.overrides

namespace WebKit2WebExtension

# https://github.com/haskell-gi/haskell-gi/issues/67
ignore DOMNode.clone_node

# https://github.com/haskell-gi/haskell-gi/pull/162
set-attr WebKit2WebExtension/WebExtension/get_page/@return-value nullable 1
set-attr WebKit2WebExtension/WebPage/get_dom_document/@return-value nullable 1
set-attr WebKit2WebExtension/WebPage/get_uri/@return-value nullable 1
set-attr WebKit2WebExtension/Frame/get_uri/@return-value nullable 1

# https://github.com/haskell-gi/haskell-gi/issues/229
set-attr WebKit2WebExtension/DOMNodeList/item/@return-value nullable 1