created an attachment (id=165064)
report

description:
custom style overline does not work if there's highlight on the item in html 

build:
2.6.0.v20100416-1900

steps to reproduce:
1. new a data with highlight
2. set underline and text line through on it
3. add a custom style overline and apply on the data
4. preview in html/pdf

actual result:
overline does not work in html

expect reuslt:
overline should work as pdf
the model of text-decoration in hmtl is different with birt.
user can set render option  "enableagentstyleengine" to false to remove this different.
verify the bug