Occasionally, certain combination of characters within a cell table, are messing up the layout of the Table when the field is saved

Short Description: Occasionally, certain combination of carachters within a cell table, are messing up the layout of the Table when the field is saved.

Steps to Reproduce:

1 - In a Test Run page, for example, in the Actual Results field (it should happen in any text field with tables), add a table to the field.

2 - Start typing a number (example) in each cell and on the third cell of the first line enter the number, give it two times the enter key, paste an image and give it two times the enter key; then put a number of the remaing cells.

3 - Save the field.

Actual Results: The table is broken.

Expected Results: The table should ignore the enter keys.