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LSP / When Hover.Contents.Kind is set to plain text the string, unexpected escape behavior

See original GitHub issue

Issue Type: Bug

When sending back the following response (see the trace below) to a Hover LSP request, what may appear as an HTML tag gets truncated (or hidden?).

[Trace - 4:27:21 PM] Received response 'textDocument/hover - (31)' in 1ms.
Result: {
    "contents": {
        "kind": "plaintext",
        "value": "U+0008, <control>"
    },
    "range": {
        "start": {
            "line": 153,
            "character": 9
        },
        "end": {
            "line": 153,
            "character": 13
        }
    }
}

What I expected to see:

A hover tooltip with the following content U+0008, <control>.

What I saw instead:

VS Code version: Code 1.56.2 (054a9295330880ed74ceaedda236253b4f39a335, 2021-05-12T17:44:30.902Z) OS version: Darwin x64 20.4.0

System Info

Item	Value
CPUs	Intel® Core™ i7-8850H CPU @ 2.60GHz (12 x 2600)
GPU Status	2d_canvas: enabled gpu_compositing: enabled metal: disabled_off multiple_raster_threads: enabled_on oop_rasterization: enabled opengl: enabled_on rasterization: enabled skia_renderer: disabled_off_ok video_decode: enabled webgl: enabled webgl2: enabled
Load (avg)	5, 6, 6
Memory (System)	16.00GB (0.10GB free)
Process Argv	–crash-reporter-id 06fd1910-60d0-4bee-99c6-1013780bf477
Screen Reader	no
VM	0%

Extensions (4)

Extension	Author (truncated)	Version
vscode-eslint	dba	2.1.20
vscode-npm-script	eg2	0.3.21
go	gol	0.25.0
vim	vsc	1.20.2

(1 theme extensions excluded)

A/B Experiments

vsliv368cf:30146710
vsreu685:30147344
python383cf:30185419
pythonvspyt602:30300191
vspor879:30202332
vspor708:30202333
vspor363:30204092
pythonvspyt639:30300192
pythontb:30283811
pythonvspyt943cf:30300583
vspre833cf:30267465
pythonptprofiler:30281270
vshan820:30294714
vscoreces:30290705
pythondataviewer:30285071
vscus158:30286553
vscgsv2ct:30301613
vscorehov:30301222
bridgeflightcf:30302070
vscod805cf:30301675

Issue Analytics

State:
Created 2 years ago
Comments:12 (8 by maintainers)

Top GitHub Comments

2reactions

rcjsuencommented, Sep 27, 2021

@jhchabran @pedro-w @dbaeumer FYI https://github.com/microsoft/vscode/issues/124874 seems fixed in the latest Insiders build of VS Code.

1reaction

rcjsuencommented, Jun 3, 2021

MarkdownString.appendText doesn’t do anything special about > and <

That is what I noticed also and is why I opened https://github.com/microsoft/vscode/issues/124874.

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