Yegappan wrote:
> When a line with a sign is deleted, the sign is moved to the
> next line. If you undo the delete operation, the sign is not
> moved back to the original line.
>
> I expected that when a line with a sign is deleted, the sign
> will be removed. If you undo the delete the operation, the
> sign will be restored. This is how the named marks work.
> The current undo code handles the named marks correctly
> but doesn't handle signs.
One of the uses of signs is displaying a breakpoint. When a line is
deleted, the breakpoint still exists. Displaying it on the next line
does seem like the best way to handle this.
When undo-ing the delete ideally the sign is moved back to where it was.
But this is quite complicated, it would require the undo information to
contain data about the moved sign. I don't mind much about the sign
being displayed in the wrong line (the debugger with the executable is
already not in sync with the source code anyway). I do mind about the
sign not being displayed at all, it looks like the breakpoint was
removed, while it wasn't.
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