• VSCode Version: 1.17.0
• OS Version: Any

Steps to Reproduce:

1. Open your most beloved project in VSCode.
2. Start typing in any code file to trigger the code completion.
3. Imagine you made a typo and press backspace while code completion is still displayed.

Expected: code completion should be re-triggered.
Actual: code completion is done and you need to trigger it manually again.

A number of inconveniences have been already reported in issue #19238.
This behavior is not consistent with other editors, including the big-VS.

Could you please reconsider the default behavior or at least provide a setting to change it?