anchor.diff:  }
   -----------------------------------------------------------------------------
   
  -==== Config ReplaceEnv property (optional) ====
  +==== Config ReplaceEnv property (optional)
   
   Just like the Env block describe above, but replaces the settings rather than
   appending them to the environment.
  
positive.code: but it will still be present so there's no need to remove it from depenency
  lists.
  
  ==== Native Unit Propagate property ====
  
  A nested block of settings to be propagated onto units that depend on this
  unit. This is mostly useful for the `ExternalLibrary` unit type which serves as
  
negative.code: - `CSCLIBCOM` - Command line to generate a library
  - `CSCEXECOM` - Command line to generate an executable
  
  == Toolsets
  
  This section tries to document the stock toolsets that come included with Tundra.
  
  === generic-cpp
  
  This isn't really a toolset you would import explicity, it is a base layer the
  other tools drag in to set up defaults. It has functionality to set up
  preprocessor scanners, registers functions to implicitly compile source files
  to object files and such. All other C toolsets import this toolset.
  
  === gcc
  
  The `gcc` toolset is a simple GCC toolset that only uses basic options and does
  nothing fancy. It is suitable for run-of-the-mill UNIX clones such as Linux,
  