** Description changed:

+ [Impact]
+ 
  The tkblt package lacks the definitions that come in the `graph.tcl`
  file:
  
-     % package require tkblt
-     3.2
-     % blt::RemoveBindTag
-     invalid command name "blt::RemoveBindTag"
+     % package require tkblt
+     3.2
+     % blt::RemoveBindTag
+     invalid command name "blt::RemoveBindTag"
  
  This affects the saods9 package: When one selects the "Analysis -> Line
  plot tool" menu item, an error message pops up with
  
  An internal error has been detected. invalid command name
  "blt::RemoveBindTag"
  
  and the following graph is empty.
  
  Similar error messages come up in several places, significantly
  decreasing the usability of saods9.
  
  The problem is fixed in the Debian version 3.2.8-1. I will provide a
  backport for Ubuntu.
+ 
+ [Test Case]
+ 
+ 1. install tkblt, and then run the "wish" Tcl shell. With the bug, it
+ will present the output shown above.
+ 
+ 2. install saods9, start "ds9", open the "Analysis" menu and select
+ "Line Plotting tool...". With the bug, an error message will appear.
+ 
+ [Regression Potential]
+ 
+ saods9 (and tksao, which is also in the saods9 source package) is the
+ only reverse dependency of tkblt (in fact, upstream made tkblt an split-
+ off from saods9), and saods9 is tested with the fix. Also, the fix is
+ quite straightforward; so no regression is expected. In the worst case
+ (if the fix would be completely wrong), it would make saods9 unusable.

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https://bugs.launchpad.net/bugs/1772905

Title:
  blt::RemoveBindTag not found

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