…ption_controller (mpdude)This PR was submitted for the master branch but it was merged into the 2.6 branch instead (closes#12147).Discussion----------[TwigBundle] Fix error page preview for custom twig.exception_controller| Q             | A| ------------- | ---| Bug fix?      | yes| New feature?  | no| BC breaks?    | no| Deprecations? | no| Tests pass?   | yes| Fixed tickets |#12147| License       | MIT| Doc PR        | n/aThe `testErrorPageAction()` always used the `showAction()` of TwigBundle's `ExceptionController`.You can, however, configure an alternate controller by setting `twig.exception_controller`.Thus, in order to get a proper preview, we need to forward to this configured controller (whichmay be the default one).This requires us to pass an additional parameter to `ExceptionController::showAction` to be able toget the *error* page even if configured otherwise in the constructor.(The other approach would have been to fiddle around with `ExceptionController`'s `debug` flag through a setter when going through the preview action, but that would have been even more messy.)Commits-------2065e00 [TwigBundle] Fix error page preview for custom twig.exception_controller

This adds an <abbr> element having a descriptive title thatdisplays the form element's type class name.

…(kix)This PR was submitted for the master branch but it was merged into the 2.6 branch instead (closes#12268).Discussion----------[DX] [Form] [WebProfiler] Added abbrs with type classes| Q             | A| ------------- | ---| Bug fix?      | no| New feature?  | yes| BC breaks?    | no| Deprecations? | no| Tests pass?   | yes| Fixed tickets | none| License       | MIT| Doc PR        | noneThis adds an `<abbr/>` element having a descriptive title that displays the form element's type class name. Everyone wants to know what's the type behind a form child, yes?Looks like this:![screenshot 2014-10-21 00 22 09](https://cloud.githubusercontent.com/assets/345754/4706604/32cf2d7a-5886-11e4-9fae-b9bff7a419ac.png)Commits-------0d20753 [DX] [Form] [WebProfiler] Added abbrs with type classes