Craig,

I'd hazard a guess that 95% of the parser/compiler is already in the runtime to support macro expansion.

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>>At FoxTeach during the keynote, an upcoming version of VFP (to be released soon) was shown allowing you to create mutli-threaded DLLs, use a new Session base class (light weight private datasession class, no UI), use the COMPILE command at runtime, etc. This has nothing to due with a new utility posted on the FoxPro web site called the VFPCOM Utility. There is development ongoing for VFP at Microsoft beyond what I just mentioned, and I expect that answers your questions/concerns.
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>How big will the runtime be if it now includes the compiler too?