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'Esc-M' chars scrolling back in 'less' #621

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FRomanMF opened this issue Mar 28, 2022 · 3 comments
Open

'Esc-M' chars scrolling back in 'less' #621

FRomanMF opened this issue Mar 28, 2022 · 3 comments
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@kingToolbox
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@FRomanMF
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Looking at a file with 'less' in a Linux session, if I scroll down and then back up, 'Esc-M' characters appears at beginning of some lines. I didn't catch exactly the cases, but they are related to lines with a hash ('#') and then some empty line.

For example:

  1. Execute 'less /etc/services'.
  2. At the beginning of file there are some lines with comments (they have a '#' at the left side).
  3. Scroll down with the cursor key so the comment lines disappear.
  4. Scroll back. The comment lines appears again and some of them has a 'Esc-M' at the beginning overlaping other characters.

image

And this is how it should look:
image

Cheers!
@kingToolbox
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Thank you for such a detailed description that I can reproduce this bug very easily. I will fix it in WindTerm_2.4.0_Prerelease_2 and WindTerm_2.4.0_Prerelease_3, please stay tuned.

@kingToolbox kingToolbox self-assigned this Mar 29, 2022
@kingToolbox kingToolbox added the bug Something isn't working label Mar 29, 2022
@kingToolbox
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I am happy to inform you that WindTerm_2.4.0_Prerelease_2 has been released and this issue has been fixed. Please download and check it. If there are still bugs, please let me know, thank you.

@FRomanMF
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FRomanMF commented May 3, 2022 •
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I'm afraid that in version 2.4.1 it works better but it's not perfect :(

Using /etc/services in Linux as an example, if you open the file with 'less' (as I wrote in the first post) it looks good. If you scroll down and then up, there isn't 'Esc-M' characters as in previous versions. But there is empty lines missing.

Screenshots with file just opened:
image

Screenshot after a scroll down and up again:
image

Hope to help ;)

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@kingToolbox kingToolbox

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@kingToolbox @FRomanMF