Typescript no syntax highlighting on hover popover

[DanielHZhang]

Issue Type: Bug

Hovering a property/function/type/class displays a popover with detailed information. The code in the popover should have its syntax highlighted, but it is not:

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With Code 1.37.1, this is working as intended:

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VS Code version: Code - Insiders 1.38.0-insider (ada79d7, 2019-08-21T13:26:22.457Z)
OS version: Windows_NT x64 10.0.18362

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-6300HQ CPU @ 2.30GHz (4 x 2304)
GPU Status	2d_canvas: enabled flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: disabled_software oop_rasterization: disabled_off protected_video_decode: unavailable_off rasterization: enabled skia_deferred_display_list: disabled_off skia_renderer: disabled_off surface_synchronization: enabled_on video_decode: enabled viz_display_compositor: disabled_off webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	7.82GB (0.83GB free)
Process Argv	--disable-extensions --remote=wsl+Ubuntu
Screen Reader	no
VM	0%

Extensions disabled

[gjsjohnmurray]

/duplicate of #78946

[vscodebot]

Thanks for creating this issue! We figured it's covering the same as another one we already have. Thus, we closed this one as a duplicate. You can search for existing issues here. See also our issue reporting guidelines.

Happy Coding!

[Gama11]

@gjsjohnmurray Not sure about that, he said in 1.37 it's working as intended (meaning it regressed between 1.37 and 1.38-insider). My issue in #78946 is broken in 1.37 but worked in earlier releases.

[gjsjohnmurray]

@FadeZhanger does this still happen for you on the latest 1.38-insider?

[DanielHZhang]

@gjsjohnmurray No, it seems like this was just fixed today (8cd00a7, 2019-08-27T06:13:54.903Z)