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Tony0945 Watchman
Joined: 25 Jul 2006 Posts: 5127 Location: Illinois, USA
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Posted: Fri Jul 30, 2021 10:11 pm Post subject: How cani disable picture in Thunderbird? |
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This is driving me nuts. When I open thunderbird there are pictures of pies and hearts appearing without even opening an e-mail. pie pictures are I'm sure comming from Baker's square.
It disturbs me that an e-mail can cause a picture to appear (and what else can it do?) without even being opened. |
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mike155 Advocate
Joined: 17 Sep 2010 Posts: 4438 Location: Frankfurt, Germany
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Posted: Fri Jul 30, 2021 10:19 pm Post subject: |
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Code: | Edit -> Preferences -> General -> "Thunderbird Start Page" |
Disable: "When Thunderbird launches, show the Start Page in the message area" |
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spica Apprentice
Joined: 04 Jun 2021 Posts: 279
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Posted: Fri Jul 30, 2021 10:30 pm Post subject: |
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That can also be utf8 glyph like U+1F382 |
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Tony0945 Watchman
Joined: 25 Jul 2006 Posts: 5127 Location: Illinois, USA
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Posted: Sat Jul 31, 2021 12:15 am Post subject: |
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spica wrote: | That can also be utf8 glyph like U+1F382 |
Looking like a floating slice of pumpkin pie with whipped cream on a plate? I'm sure it came from an e-mail ad. |
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Tony0945 Watchman
Joined: 25 Jul 2006 Posts: 5127 Location: Illinois, USA
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Posted: Sat Jul 31, 2021 12:18 am Post subject: |
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mike155 wrote: | Code: | Edit -> Preferences -> General -> "Thunderbird Start Page" |
Disable: "When Thunderbird launches, show the Start Page in the message area" |
So far so good! Even a little faster without the thunderbird logo. |
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spica Apprentice
Joined: 04 Jun 2021 Posts: 279
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Posted: Sat Jul 31, 2021 6:34 am Post subject: |
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Tony0945 wrote: | I'm sure it came from an e-mail ad. |
Tony0945 wrote: | appearing without even opening an e-mail |
Do you observe ads without opening emails? Can you show a screenshot?
Does it look like this https://i.postimg.cc/tJ3952F6/image.png ? |
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Tony0945 Watchman
Joined: 25 Jul 2006 Posts: 5127 Location: Illinois, USA
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Posted: Sat Jul 31, 2021 2:39 pm Post subject: |
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Yes! |
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Hu Moderator
Joined: 06 Mar 2007 Posts: 21431
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Posted: Sat Jul 31, 2021 5:17 pm Post subject: |
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If I interpret that picture correctly, I think what is happening is that someone sent you an e-mail with a "subject" that has emoji instead of text, and Thunderbird is helpfully rendering the emoji. Emoji are technically just text with weird looking "letters." If I am right, then this is only a risk if Thunderbird's parser for mapping the high-numbered characters to their standard emoji is flawed. I don't know if you can suppress this, but I would start with "Thunderbird disable emoji" as search terms.
Interestingly, I tried to include the following in my post: Quote: | For example, the following is text, not an image in the usual HTML sense: , which is why I can use an underline on it even though it is a graphic emoji named "Ring." | It previewed OK, but failed to post until I removed the emoji character, which renders the sentence rather pointless. |
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Tony0945 Watchman
Joined: 25 Jul 2006 Posts: 5127 Location: Illinois, USA
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Posted: Sat Jul 31, 2021 11:19 pm Post subject: |
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Thanks, Hu. They disappear after I erased all Baker's Square emails. Then they came back.
Haven't appeared since I followed Mike155's advice, but could be a coincidence. |
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spica Apprentice
Joined: 04 Jun 2021 Posts: 279
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Posted: Mon Aug 02, 2021 6:30 am Post subject: |
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Hu,
Thank you that you were also able to reproduce the problem with posting multibyte characters on the forum.
I also tried to post these utf8 glyphs here but it seems that forum's database does not accept such multibyte sequences.
If it is mysql, it needs something like utf8mb4.
I wanted to let admin team know that this case exists and ask if it start working after forum engine upgrade, but I don't know how to explain the problem without attaching such glyphs |
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Tony0945 Watchman
Joined: 25 Jul 2006 Posts: 5127 Location: Illinois, USA
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Posted: Mon Aug 02, 2021 2:30 pm Post subject: |
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Thanks again, Hu. I turned HTML back on, it makes Amazon emails easier to read, and turned emojis off. So far so good. |
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Hu Moderator
Joined: 06 Mar 2007 Posts: 21431
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Posted: Mon Aug 02, 2021 8:44 pm Post subject: |
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spica wrote: | I wanted to let admin team know that this case exists and ask if it start working after forum engine upgrade, but I don't know how to explain the problem without attaching such glyphs | You could describe steps to post the glyph. For example, the Ring glyph I intended to post above is character 0x1f48d. I can type that in Vim by doing:- Enter Insert mode.
- Press and hold control.
- Press v (to get a ^V).
- Release control. Type U. Note: must be capitalized if your target character is greater than 0xffff.
- Type the hexadecimal number, in this case 1f48d. Hit space to advise Vim that no more characters are coming.
You have now inserted that text into your Vim buffer. You can then use standard Vim commands to move it to the X selection buffer, and paste it into a post. As a test, let's see if I can post Zero-Width-Space (which is 0x200b, making it below the 0xffff marker, and therefore potentially having a different encoding rule on the server). Note that Vim can insert characters in the 0-0xffff range using ^Vuxxxx instead of ^VUXXXXXXXX.
[Edit: yes, I can post glyph 0x200b. It seems only things above 0xffff are blocked. Having done this test, I now remember that I saw someone else use ZWSP years ago, and I even used it myself a few times when posting commands that would be dangerous for people to run blindly, so that anyone who copied it would get a syntax error when the ZWSP split the dangerous command in two.]
Tony0945 wrote: | Thanks again, Hu. I turned HTML back on, it makes Amazon emails easier to read, and turned emojis off. So far so good. | Yes, a distressing number of senders seem to think it's a feature that their e-mail is unreadable if you stick to text/plain. |
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