Razor syntax highlighting fails for multi-line comments and LF endings

[hopperpl]

Visual Studio 2022 17.5 P4

I'm not sure if this belongs into this repository, or somewhere else, I don't know if razor tooling also maintains the VS language service for .razor files. Please move if needed.

The syntax highlighter fails to correctly display multi-line comments within @* ... *@ when the line ending is set to LF. It works correctly when it's CRLF. This got worse with Preview 3 and Preview 4; before P3, this issue only applied to the footer comment, now the header comment is failing as well and pretty much everywhere. A purely cosmetic issue though.

---

LF endings, all is white although the comment markers are purple.

---

now switched to CRLF and all is correct.

---

this summarizes the issue in one image.

[davidwengier]

Ran into this while fixing #6756 so moving to the IDE to fix