I understand that you live in Canada and do historical theology and so may be unfamiliar with Presbyterian developments in the United States. But when you want to revise the Shorter Catechism Q. 1 with “To glorify God and Christ and enjoy them, through the Spirit,” you may not understand how much you are following the trail blazed by those American Presbyterians who wanted to gut the Westminster Standards of their hard Calvinist edge.
Maybe you can recall the writings from the 1890s of Benjamin Warfield and W. G. T. Shedd against confessional revision. Their arguments failed and the PCUSA went ahead and added chapters to the Confession of Faith on the Holy Spirit and the Love of God. The thinking (if you can call it that) was that the Confession didn’t say much about the Holy Spirit or the love of God and so needed explicit statements — as if you can’t find the Holy Spirit wherever the divines invoked the Word of God or as if the chapters on salvation and its application are not affirmations of God’s love.
The kicker of this revision was that it set up the 1906 merger between the PCUSA and the Cumberland Presbyterian Church — a body that in 1810 had explicitly rejected Calvinism’s harder edges. Affirming the Holy Spirit and the love of God sweetened the deal and made Warfield worry.
So when you add the language about Christ and the Holy Spirit to Q. 1, do you have in mind some kind of merger between the PCA and the Presbyterian Church of Canada? Your later explanation is helpful to a point. But because you continue to live in the world of seventeenth-century English speaking theologians and don’t seem to pay heed to historical contexts of closer proximity, I do worry about this latest move.