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According to games Steampage:
"Manuals and Reverts: You can do manuals as part of trick combos in THPS HD. Given the fact that this game combines the best gameplay from THPS1 and THPS2, Reverts will not work as part of trick combos in the initial launch of THPS HD as that mechanic was not introduced until THPS3. However, reverts will work in the post-release DLC for the THPS3 levels, as those levels were originally designed to accommodate this."