"Incompatible combinations of tabs and spaces in indentation prefixes." significant indentation is enforced in a literal

[eed3si9n]

Compiler version

3.1.1

Minimized code

package example

def logLevelDetail(level: Int): String =
  s"""$level

// the following line is indented using [tab][tab]
		Sets the global logging level to $level.
"""

Output

sbt:hello> compile
[info] compiling 1 Scala source to /private/tmp/hello/target/scala-3.1.1/classes ...
[error] -- Error: /private/tmp/hello/src/main/scala/example/Hello.scala:7:34 -----------
[error] 7 |		Sets the global logging level to $level.
[error]   |		                                  ^
[error]   |     Incompatible combinations of tabs and spaces in indentation prefixes.
[error]   |     Previous indent : 2 spaces
[error]   |     Latest indent   : 2 tabs
[error] -- Error: /private/tmp/hello/src/main/scala/example/Hello.scala:7:39 -----------
[error] 7 |		Sets the global logging level to $level.
[error]   |		                                       ^
[error]   |     Incompatible combinations of tabs and spaces in indentation prefixes.
[error]   |     Previous indent : 2 spaces
[error]   |     Latest indent   : 2 tabs
[error] two errors found
[error] two errors found

Expectation

It compiles. Indentation rules should not apply to lines within multiline string literals.

[som-snytt]

s"""I wonder about interpolated block expressions ${
  def f = level + 1
  f
} of the sort championed by Li Haoyi."""