🚀 go-pugleaf

In GNU Emacs 19.27.1 (sparc-sun-solaris2.3) of Sat Sep 17 1994 on piper

I have recently upgraded from FSF Emacs 19.25 and find that when
working at a VT100 or VT220 (this may be the case for other VT
terminals), cursor movement is erratic. For example when deleting a
character, the character will be deleted but at times the cursor jumps
forward several characters after erasing.  When the screen is
refreshed, the cursor is in the correct position.  This also occurs
when using the arrow keys to move the cursor and is more likely to
occur when moving the cursor a fair distance.

When inserting a character in the middle of some text, the cursor will
at times jump to the beginning of the line, and then back to the
insertion point causing the screen display on that line to be
erased.  Again, when the screen is refreshed, the text is as it should
be.

I have tested this behaviour with other editors and with the old
version of Emacs 19.25 (which I still have) and this occurs only with
Emacs 19.27.

Cursor movement from within an xterm window or from within Emacs' own
frames is fine.

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Wojciech Komornicki (system administrator)         Dept of Mathematics
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