Triple-backtick template literal with indentation support

[sken130]

Since triple backticks (```) are not backward compatible, I have updated my proposal at

Raw string literals that can contain any arbitrary text without the need for special escape sequences

Here is my revised proposal of raw string literal. Learn from (or combine with) the idea of C# 11's raw string literals, which solves almost all problems in one go: It solves the indentation problem in that thread Can contain any arbitrary text without escape sequences in the content Can support interpolation and defining custom interpolation delimiters so that the "normal delimiters" can be in the content without being escaped as well If we introduce new syntax, we want to put as many feature…