dohover will display backslash-escape for the special characters

[kevinhwang91]

issue image:

[josa42]

I don't think this is caused by coc-go. Looking at the trace, it seems to me that this is an issue with gopls or potentially coc.nvim:

[Trace - 1:33:01 PM] Received response 'textDocument/hover - (31)' in 2ms.
Result: {
    "contents": {
        "kind": "markdown",
        "value": "```go\nfunc sort.Sort(data sort.Interface)\n```\n\n[`sort.Sort` on pkg.go.dev](https://pkg.go.dev/sort#Sort)\n\nSort sorts data\\.\nIt makes one call to data\\.Len to determine n, and O\\(n\\*log\\(n\\)\\) calls to\ndata\\.Less and data\\.Swap\\. The sort is not guaranteed to be stable\\.\n"
    },
    "range": {
        "start": {
            "line": 5,
            "character": 6
        },
        "end": {
            "line": 5,
            "character": 10
        }
    }
}

[kevinhwang91]

Could coc-go intercept the result and rewrite it properly? vscode-go without this issue.

[flw-cn]

Is there any workaround here? I've encountered more than that, and some &nbsp that have caused alignment problems.

[flw-cn]

I used Wireshark to capture the packets and confirmed that the results returned by gopls are in the correct format.

What else might cause additional backslash?

Content-Length: 349

{"jsonrpc":"2.0","result":{"contents":{"kind":"plaintext","value":"func sort.Sort(data sort.Interface)\nSort sorts data.\nIt makes one call to data.Len to determine n, and O(n*log(n)) calls to\ndata.Less and data.Swap. The sort is not guaranteed to be stable.\n"},"range":{"start":{"line":82,"character":6},"end":{"line":82,"character":10}}},"id":3}

Update:

What is given above is the result of the default parameters, which are actually in JSON format. I noticed that coc/coc-go is requesting results in markdown format, so I redid the test and confirmed that gopls does have this bug:

Content-Length: 445

{"jsonrpc":"2.0","result":{"contents":{"kind":"markdown","value":"```go\nfunc sort.Sort(data sort.Interface)\n```\n\n[`sort.Sort` on pkg.go.dev](https://pkg.go.dev/sort#Sort)\n\nSort sorts data\\.\nIt makes one call to data\\.Len to determine n, and O\\(n\\*log\\(n\\)\\) calls to\ndata\\.Less and data\\.Swap\\. The sort is not guaranteed to be stable\\.\n"},"range":{"start":{"line":82,"character":6},"end":{"line":82,"character":10}}},"id":3}

[chemzqm]

neoclide/coc.nvim#2308

[flw-cn]

@kevinhwang91 You can try Plug “flw-cn/vim-markdown” which is a fork for plasticboy/vim-markdown and it automatically hides the backslash. see PR preservim/vim-markdown#515 to see exactly what it does.

[josa42]

Closing this because it needs to be fixed in coc.nvim

[anhtumai]

@kevinhwang91 @josa42 How can you config coc-go to open hover window? When I doHover, it opens new panel with horizon split like this:

[josa42]

@anhtumai That is not a coc-go config.

You probably have set hover.target in your coc config to preview, you need to set it to float.

https://github.com/neoclide/coc.nvim/blob/b28b8dc4278f0c68f14b74609d73169c88c97ec4/doc/coc-config.txt#L484-L489