Table formatting incorrectly handles pipes (`|`) about vscode-markdown

[yzhang-gh]

好的，看到了
（话说你这个录动图的软件是什么呀）

[xa0082249956]

ScreentoGif
按键显示 keycastOW

[Lemmingh]

VS Code Insiders is already using markdown-it 12.0.3, which aligns with the latest GFM.

I suddenly realized that currently published 1.53.0-insider is 76436a4d43566cd313629799e2ec51b4d00caa64. It is older than master which contains 92723a8a2c88041d59bdefade50cbff8254d486e.

Anyway, it's sure that we will see VS Code 1.53.0 shipped with markdown-it 12.0.3 in February 2021.

[yzhang-gh]

谢谢

[Lemmingh]

@yzhang-gh
@xa0082249956
@vonagam

https://github.github.com/gfm/#example-200

---

The correct behavior is:

|HA|HB|
|-|-|
|`1|2`|3|

<!-- gets: -->

| HA  | HB  |
| --- | --- |
| `1  | 2`  | 3 |

|HA|HB|
|-|-|
|`1\|2`|3|

<!-- gets: -->

| HA     | HB  |
| ------ | --- |
| `1\|2` | 3   |

---

GitHub made the decision in April 2017:
github/cmark-gfm#24 (comment)

[yzhang-gh]

I've pushed a change so that it aligns with the GFM spec.

Remaining issues:

• Code span syntax decoration isn't right in this case
• VS Code hasn't updated its markdown-it to the latest version yet (so the preview tab still has the old behavior).