Page Tree Macro with "Include Excerpts" option shows raw HTML for formatted text

Symptoms

When using the Page Tree Macro, with "Include Excerpts in Page Tree" option, and an excerpt macro on one of the pages includes some text formatting, then the Page Tree Macro shows the raw HTML codes, rather than formatted or stripped text.

Steps to Reproduce

1. Create a page with an except macro, containing formatted text
2. Create a page with a page tree macro, including the page with the excerpt
3. Observe the excerpt with raw HTML codes in it

Workaround

1. Remove 'Include Excerpts in Page Tree' option in the page tree macro OR
2. Clear text formatting in the 'Excerpt' macro page.
   • Open the page with 'Excerpt' macro in edit mode.
   • Select the text inside 'Excerpt' macro
   • Select 'More' option from formatting panel and choose 'Clear formatting'
     
   • Publish the changes.