The following issue is happening on both Email attribute and Multi-line Text Attribute.
Type a few letters or a word>>press ENTER key>>continue typing>> click REFRESH button
It shows multiple instances
This issue has been fixed in the Practice Management version 11.2 hot fixes . The fix file is available for download from the PM download page.The fix is also included in Practice Management 11.2.2 installation package.
Fix Files ABCSTD.ocx, aAAttribEng.dll