civicrm/civicrm-core — pull request #1450 by davecivicrm (2013-08-16 01:31:38+00:00)
Title: CRM-13218 Total Fee on first page adjusts based on number of participant...

...s selected.

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* CRM-13218:
http://issues.civicrm.org/jira/browse/CRM-13218

Added logic to ALSO update Total Fee on change of additional_participants field.