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   <title>Part&nbsp;II.&nbsp;Reference</title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.75.2"><link rel="home" href="index.html" title="Meta State Machine (MSM)"><link rel="up" href="index.html" title="Meta State Machine (MSM)"><link rel="prev" href="ch08s07.html" title="From V2.0 to V2.12 (Boost 1.44)"><link rel="next" href="ch09.html" title="Chapter&nbsp;9.&nbsp;External references to MSM"></hea