There is a bug in Edit Summary field while editing question, this bug only occurs while we use autocomplete by double clicking the input field.
Please refer images below:
While selecting autocomplete text the placeholder text is not disappearing as shown in image below.
After we select the autocomplete suggestion also the placeholder text is not been replaced with user input as shown in image below:
NOTE: while typing this question i came across this questionasked Jun 21 '15 at 8:00.
Is the issue has not been resolved still?
Browser used: Google chrome Version 48.0.2564.116 m