gw-advanced-merge-tags.php
: Fixed an issue with unknown advanced merge tag label.
#860
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Context
⛑️ Ticket(s): https://secure.helpscout.net/conversation/2649918005/68702
Summary
When the
Advanced Merge Tags
snippet is used, the snippet would replace unknown merge tag label with an empty string hence the issue. This PR will add a check for unknown labels.