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Its a off scenario of let me explain the problem using this Snippet. Create a simple Java 1.5 project and use it there. import java.util.ArrayList; public class C { ArrayList<String> } The code is incomplete hence you will get a red lining under "ArrayList<String>", which is good. Now place the cursor after "ArrayList<String>" and press Ctrl + 1. This will show an empty floating panel. Without closing it, start hitting backspace. The text deletion is very slow and in my case hung the editor for long duration. Subsequent retries did not hung it but are visibly slow as compared to if you Esc close the panel first.
This is because we recompute the input for the pop-up and this requires the new AST. We should simply close the pop-up on Backspace.
This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. As such, we're closing this bug. If you have further information on the current state of the bug, please add it and reopen this bug. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant. -- The automated Eclipse Genie.
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This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. If you have further information on the current state of the bug, please add it. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant. -- The automated Eclipse Genie.