Hotfix/tx comment uses keywords

A fix to avoid the issue described in this forum topic.

1st commit : reveal how a transaction containing "Certifications" keyword is provoking a parsing exception 2nd commit : sets a fix, and makes the test pass 3rd commit : to fix all the other keywords being affected as well

assigned to @c-geek

approved this merge request

changed target branch from dev to release/1.8

merged