In my project, I am currently using Bootstrap 2.3.2 type-ahead feature. I have noticed that the input field allows me to enter the "&" character for the first time, but when the auto-complete drop-down appears, it restricts me from entering the "&" character.
To see this issue in action, please visit the link below and try typing "&" for the first time:
After that, try typing another character and then attempt to type "&" next to the letter 'A'.
The reason for this issue is that the charCode representing "ampersand" is 38, which happens to be the same as the charCode (ASCII) for the up arrow character. Due to this conflict, bootstrap refuses to accept this value and displays the previous value instead.
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