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Message-ID: <8c4ce551-ef54-4450-833c-75bcb701d939@SystematicSW.ab.ca>
Date: Wed, 13 Aug 2025 12:27:25 -0600
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Subject: Re: mintty in Cygwin 3.6.4 cannot display the moon
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To: cygwin@cygwin.com
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From: Brian Inglis via Cygwin <cygwin@cygwin.com>
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Cc: Brian Inglis <Brian.Inglis@SystematicSW.ab.ca>
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On 2025-08-13 09:13, Dan Shelton via Cygwin wrote:
> mintty in Cygwin 3.6.4 cannot display the Unicode moon character:
> my testcase:
> bash -c 'm="$(printf "\U0001f313")" ; echo "moon2" >"$m$m$m$m$m$m$m"'
> ls -l
> 
> That should display a filename with los of Unicode moon characters,
> but instead some grey checkerbox is rendered. Windows Explorer shows
> this correctly.

Works Just Fine For Me!

$ printf "\U1f313\t\U1f313\t\U1f313\t\U1f313\t\U1f313\n"
🌓	🌓	🌓	🌓	🌓
$ v=`printf "\U1f313\t\U1f313\t\U1f313\t\U1f313\t\U1f313\n"`
$ echo $v
🌓 🌓 🌓 🌓 🌓

For mintty you need suitable fonts installed under MS Windows (or font linking 
fallbacks) rather than Cygwin fontconfig:

	$ fc-list :charset=0x1f313

gives me a *long* list summarized as DejaVu, any emoji fonts including Segoe UI 
Emoji, some symbol fonts including Symbola and Segoe UI Symbol, TeX Church 
Slavonic collection, fallbacks including Unifont and Last Resort fonts.

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retrancher  but when there is no more to cut
                                 -- Antoine de Saint-Exupéry

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