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Re: [tor-bugs] #18297 [Tor Browser]: Tor browser uses Chinese-style glyphs to display Japanese
#18297: Tor browser uses Chinese-style glyphs to display Japanese
-------------------------+-----------------------------------
Reporter: cypherpunks | Owner: tbb-team
Type: defect | Status: needs_information
Priority: Medium | Milestone:
Component: Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: #18097 | Points:
Sponsor: |
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Comment (by arthuredelstein):
We are currently using `Noto Sans CJK SC Regular`. This font supports
Simplified and Traditional Chinese, Japanese and Korean glyphs, and
provides alternative "localized forms" via the opentype `locl` feature so
that the appropriate glyph is displayed, depending on language.
This works properly when the web page uses
{{{
<meta charset="UTF-8"/>
}}}
such as on âhttps://en.wikipedia.org/wiki/Han_unification
#Examples_of_language-dependent_glyphs
but it fails to work properly when it uses
{{{
<meta http-equiv="Content-Type" content="text/html;charset=Shift_JIS" />
}}}
such as on http://www.aozora.gr.jp/cards/001779/files/56648_58207.html
A solution I found to this problem is to include a separate font for each
of SC, TC, Japanese, and Korean, namely:
{{{
Noto Sans JP Regular
Noto Sans TC Regular
Noto Sans SC Regular
Noto Sans KR Regular
}}}
Doing this will add ~1 MB (zipped) to the bundle, which I think is not too
bad. I'm working on writing patches to do this.
(Another alternative would be to try to fix the `Shift_JIS`/`locl` bug in
Firefox or whatever is the offending font library. I reported the bug
here: https://bugzilla.mozilla.org/show_bug.cgi?id=1247479)
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18297#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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