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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - inserting signature line cannot be undone with Ctrl+Z"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=126102#c3">Comment # 3</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - inserting signature line cannot be undone with Ctrl+Z"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=126102">bug 126102</a>
              from <span class="vcard"><a class="email" href="mailto:artur@jankaritech.com" title="artur@jankaritech.com">artur@jankaritech.com</a>
</span></b>
        <pre>Sorry, I've been on an separate branch, but that had no functional changes,
only tests added.
Recompiled again from master and same situation

Version: 6.4.0.0.alpha0+
Build ID: 62908055af3b0d75ed679818a51f7480de8b9800
CPU threads: 4; OS: Linux 4.15; UI render: default; VCL: gtk2; 
Locale: en-US (en_US.UTF-8); UI-Language: en-US
Calc: threaded

also `--safe-mode` or deleting the user profile from
/home/artur/.config/libreoffice/ does not do any difference

I've provided a screenrecording</pre>
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