Part of #14067

Fix to retain and pass args in linux cli

completion provider registering for `*` shouldn't override word-based completions but merge, fixes #15411

fixes #14189

Improve REPL link highlight regexp

* electron 1.4.6

* fix broken DND image feedback

* OSS input

* remove cat.exe as it is no longer needed

* update electron.d.ts

* set new ELECTRON_NO_ASAR environment for forked processes

* Automatically enable high contrast theme when enabled in Windows (fixes #15360)

Merge branch 'mk/issue_4883' of https://github.com/KattMingMing/vscode into KattMingMing-mk/issue_4883

Fix to retain and pass args

The --user-data-dir check routine shifts and removes the args. This edit is to retain the original arguments and pass to executable when finally called.
See issue #15435

Provide workbench.action.nextEditor/previousEditor that cycle through current active group (fixes #15225)

Fixes #15400

* Require terminators at start/end
* Don't allow spaces in first path component of relative path
* Don't capture root path component

This reverts commit 22d1f42f.

Bash on Ubuntu errors out during launch using the newer version, reverting
so it can be investigated first.

* Add language support for yaml front matter to markdown grammar

* Add option to strip yaml front matter from preview

* Use enum for setting instead of boolean

* Better names

* Fix merge error

Uplevel pty.js