Ampersand & in field values breaks styled text

Scenario:

You have some fields containing ampersand symbol (&). The field value needs to be displayed in a styled text markup text field. When ampersand is present, the field styling disappears. How to avoid it?

Solution:

ampersands need to be escaped in this case since it's an XML and it doesn't process them properly. Try to replace the ampersand symbol with XML escape code & For example: "_{"+$F{fieldname}.replace("&", "&")+"}