bug in editing posts

I noticed that if my post has a '&' character, during an edit operation, all characters AFTER the '&' are not recalled during the edit.

For example, if I have a post like

Specifically this is shown

• test
• test
• test

And the things I see & hear are

• great
• big

When I edit this, I only see

Specifically this is shown

• test
• test
• test

And the things I see &

To go around this, I had to copy the text of my post, edit and paste over everything. Perhaps it has something to do with a list after the & sign. Not sure if anyone else has this issue as well