After updating osTicket to its latest stable release, I had to redo the mod to make it accept HTML messages (too bad this hasn’t already been added, at least as an option, to the core).

After digging around quite a bit around the completely re-arranged codebase, I eventually found the required change. It’s actually even simpler than in 1.6.

We need to change one line in include/class.thread.php:

to

 

This information only applies to osTicket version 1.7 stable. See here for version 1.6.

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