Lua: updated for Lua5.3
Summary:
Add of:
- shebang
- hexadecimal float
- special char: \u{xxx}, \xXX, \ddd and \z
- bitwise operator
- metamethod
- some other improvements
Reviewers: dhaumann, Framework: Syntax Highlighting
Reviewed By: dhaumann, Framework: Syntax Highlighting
Subscribers: Frameworks
Tags: Framework: Syntax Highlighting, Frameworks
Differential Revision: https://phabricator.kde.org/D12689