How to generate WiX XML from a .reg file?

Question

Is there a tool to generate WiX XML given a .reg file?

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In 2.0, you were supposed to be able to run tallow to generate registry XML:

Answer 1

From Wix 4.0

C:\Program Files (x86)\WiX Toolset v4.0\bin>heat /? | find /i "reg"
   reg      harvest a .reg file
   -sreg    suppress registry harvesting

To use, where regfile.reg is the registry input file and fragment.xml is the output file to generate.

heat reg regfile.reg -o fragment.xml