htm extension causes errors in pandoc adapter

[vvvvvx]

Describe the bug

when I run "rga -o --rga-adapters=pandoc search-key-words", a lots of failed msg occur like below:

rg: Documents/Documents/Personal/飞信/Misc/Space/tab/forward.htm: preprocessor command failed: '"/usr/bin/rga-preproc" "Documents/Documents/Personal/\xe9\xa3\x9e\xe4\xbf\xa1/Misc/Space/tab/forward.htm"':

/home/user/文档/Documents/Documents/Personal/飞信/Misc/Space/tab/forward.htm adapter: pandoc
/home/user/文档/Documents/Documents/Personal/飞信/Misc/Space/tab/forward.htm.txt adapter: postprocprefix
Unknown input format htm
Error: copying adapter output to stdout

Caused by:
0: subprocess: Command { std: "pandoc" "--from=htm" "--to=plain" "--wrap=none" "--markdown-headings=atx", kill_on_drop: false }
1: ExitStatus(unix_wait_status(5376))

To Reproduce

Attach example file:

Run command:
cmd: rga -o --rga-adapters=pandoc search-key-words

Output

rg: Documents/Documents/Personal/飞信/Misc/Space/tab/forward.htm: preprocessor command failed: '"/usr/bin/rga-preproc" "Documents/Documents/Personal/\xe9\xa3\x9e\xe4\xbf\xa1/Misc/Space/tab/forward.htm"':

/home/user/文档/Documents/Documents/Personal/飞信/Misc/Space/tab/forward.htm adapter: pandoc
/home/user/文档/Documents/Documents/Personal/飞信/Misc/Space/tab/forward.htm.txt adapter: postprocprefix
Unknown input format htm
Error: copying adapter output to stdout

Caused by:
0: subprocess: Command { std: "pandoc" "--from=htm" "--to=plain" "--wrap=none" "--markdown-headings=atx", kill_on_drop: false }
1: ExitStatus(unix_wait_status(5376))
Screenshots

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Operating System and Version
Artix Linux

Output of rga --version
ripgrep-all 0.10.6