Grr, apologies, this doesn't seem to work for gmail, which says the account is unavailable on reloading the saved page.

On Wed 27 Sep 2023, at 01:17, Gareth Evans <[log in to unmask]> wrote:
> Hi Charles,
>
> If you are using Firefox then Alt+F will bring up the File menu, even 
> if it isn't normally visible.
>
> You can then choose 
>
> "Save Page As..."
>
> This usually has the keyboard shortcut of Ctrl+S, but this may be 
> overridden by email web application shortcuts.
>
> Saving the page will result in a .html file and a directory, with names such as:
>
> Name of Some Page.html (file)
> Name of Some Page_files (directory)
>
> Opening the file ending in .html causes the page to be reconstructed 
> locally in the browser from the resources saved in the corresponding 
> directory, which reflects your view at the time of saving.  
>
> You then have a WYSIWYG copy, though "WYSIWYG" in this context refers 
> to some extent to the way your webmail provider formats things, as well 
> as features intrinsic to the email. 
>
> Printing or saving this to a PDF may be useful.
>
> There was a move to make email content dynamic a few years ago and I'm 
> not sure what happened with that, in terms of adoption, so a saved page 
> may not necessarily always reproduce the precise original content after 
> some time.  Some providers shunned the idea.  By way of background, 
> please see for example:
>
> https://www.fastmail.com/blog/email-is-your-electronic-memory/
> https://developers.google.com/gmail/ampemail
> https://amp.dev/about/email
>
> Please let me know if any queries.
>
> Best wishes,
> Gareth
>
>
> On Tue 26 Sep 2023, at 23:22, charles meyer <[log in to unmask]> wrote:
>> My esteemed listmates,
>>
>> This is a very serious.
>>
>> Normally, in Firefox when I want to take a screenshot of all that I see as
>> I scroll down the page  I press Ctrl + Shift + K and then type in
>> :screenshot --fullpage and it captures WYSIWYG in a PNG on to my hard drive.
>>
>> I try that with back and forth emails in Gmail but that doesn't work.
>>
>> If I want to capture all the emails exchanged with a person in a gmail
>> account normally I press Reply or Forward I can capture all the back and
>> forty.
>>
>> That doesn't work with this gmail exchange.
>>
>> I'vde taken to snapping photos wiht my cell phone of each screen as I
>> screen down to capture the WYSIWYG.
>>
>> In Chrome and The Edge I can use that Screen Devouring icon which resembles
>> a Pac Man as it bites along the screen from left to right and captures all
>> the scrolling down as WYSIWYG but I must use FF in this case.
>>
>> Is there any Screen Devouring extension for FF?
>>
>> Thank you for your understanding, nonjudgmental help.
>>
>> Charles.
>>
>> Charlotte County Public Library