To fix the bug whith `endsWithParent` modes that have more than
one parent and thus needing diff...

Do not add "undefined" to the beginning of the result of .fixMarkup()

Fixes #1452

- Added default return value (empty string) to the ".replace()" call.

Consider a situation where we have a back reference to a parent mode
with variants:

var LIS...

Fixes #1437

Add missing keywords for async/await and ES6-style imports to typescript language definition

Updated Lua language to 5.2

Added ALL library methods from 5.2, properties and metatags.
Added goto keyword.
All libraries...

Revert "Add Python 3.6 f-literals"

Update GAUSS 17 function list

Conflicts:
AUTHORS.en.txt

Conflicts:
AUTHORS.en.txt
AUTHORS.ru.txt

Add Python 3.6 f-literals

Makes sense to treat unquoted values as strings because they are
treated this way by yaml parser...

Add Kotlin Keywords 'lateinit' and 'init'

Add support for CoffeeScript triple backticks

We use "type" for user-defined syntactic types.

(TypeScript) Adds support for annotations and highlighting inside constructor param-list

This reverts commit bd832f7b151812071aac56576ba96ec490a9f54d.

Fixes #1366

Add missing CoffeeScript keywords

Fixes #1351

Change bad uses of substr to substring

String.prototype.substr(start, count)
String.prototype.substring(start, end)
end = count - start

Example:

```
constructor(private foo :Foo) {

}
```
now highlights "private".

Use the construc...

Add valid unicode for swift classes and types

Update AUTHORS.en.txt

Update patterns