anchor.diff:  
   == Build Tree Structure
   
  -All Moss build object files and products are placed in a Moss build tree
  +All Moss build object files and artifacts are placed in a Moss build tree
   structure called `moss.build` by default.
   
  -Build objects and products are placed according to the following guidelines:
  +Build objects and artifacts are placed according to the following guidelines:
   
   - headers -> `M.HEADER.PATH`
   - static and shared libraries -> `M.LIBRARY.PATH`
  
positive.code: ----
  util = library "utility" {
      source = {
          'common.c',
          'main.c',
      },
      includes = common
  }
  
negative.code: - executables -> `M.EXECUTABLE.PATH`
  
  Headers located in `M.HEADER.PATH` are automatically included as part of
  the system include path when building spore artifacts. Libraries located in
  `M.LIB.PATH` are included as part of the library search path when linking
  spore artifacts.
  
  An example `moss.build` structure might look something like this:
  
  