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Looking in detail at some recent HTML email attachments (received in
Messenger Pro), Netsurf's rendering of them seems to have a dependence
on the coding of the <meta content=""> tag.
When this tag is present and includes:
content="text/html charset=utf-8"
any non-ASCII characters are shown as the three bytes of their UTF-8
encoding, whereas if the two attributes are separated by semicolon:
content="text/html; charset=utf-8"
the rendering (using Unicode font DejaVu) looks correct.
Is this a known problem?
--
Bernard
On 14 July 2017 12:10:47 BST, Bernard Boase <b.boase(a)bcs.org> wrote:
Looking in detail at some recent HTML email attachments (received in
Messenger Pro), Netsurf's rendering of them seems to have a dependence
on the coding of the <meta content=""> tag.
When this tag is present and includes:
content="text/html charset=utf-8"
any non-ASCII characters are shown as the three bytes of their UTF-8
encoding, whereas if the two attributes are separated by semicolon:
content="text/html; charset=utf-8"
the rendering (using Unicode font DejaVu) looks correct.
Is this a known problem?
I don't know if it's a known problem, but certainly the first form is incorrect.
The semicolon is required to separate the parameters.
If NetSurf doesn't know the encoding it will assume ASCII/ISO-8859-1, or maybe default
character encoding of the OS.
Chris
On 14 Jul, chris.young(a)unsatisfactorysoftware.co.uk typed:
I don't know if it's a known problem, but certainly the first
form is
incorrect. The semicolon is required to separate the parameters.
Thanks, that's interesting, though websites I've so far looked at
aren't consistent on this point. The particular originator's email
headers include:
Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\))
X-Mailer: Apple Mail (2.3273)
suggesting that it's the Apple software that is not to standard in
coding the <meta> tag, but that seems surprising.
If NetSurf doesn't know the encoding it will assume
ASCII/ISO-8859-1,
or maybe default character encoding of the OS.
Yes, but in this case I think Netsurf might be expected to acknowledge
the charset attribute, so I've posted bug report 0002549 to
http://bugs.netsurf-browser.org/mantis/ in case developers can throw
any light on the issue.
--
Bernard
2260
days inactive
2260
days old
netsurf-users@netsurf-browser.org
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Chris Young