Historically there has been room in Reformed theology for a wide range of views on various topics. In this post Mark Jones gives further evidence that the theologians who made up the Westminster Assembly had a diversity of opinion and that the Westminster Confession is a consensus document meant to draw a wide range of people together. In other words, Westminster was broadly Reformed and not meant to articulate any particular strain of Reformed thought. Give it it a read:
By the way, the Hebrew word at the top of the post is “shibboleth.” Read Judges 12:6 and surrounding for more information.