Fixed an error when IE11+ complained when deleting empty paragraph with Backspace key #1176
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
SunEditor throws an error of "Unable to get property 'previousSibling' of undefined or null" in Internet Explorer 11+ when trying to delete empty paragraph between 2 other paragraphs when using Backspace key. Implemented better conditional checks to avoid this random error.
Bug explained in Issue #1175 in detail.