anchor.diff:        technologies and borrowing some ideas from graphical systems
         such as InDesign.
       '';
  -    homepage = "http://www.sile-typesetter.org";
  -    platforms = stdenv.lib.platforms.unix;
  -    license = stdenv.lib.licenses.mit;
  +    homepage = http://www.sile-typesetter.org;
  +    platforms = platforms.unix;
  +    license = licenses.mit;
     };
   }
  
positive.code: { stdenv, fetchurl, makeWrapper, pkgconfig
  , harfbuzz, icu, lpeg, luaexpat, luazlib, luafilesystem
  , fontconfig, lua, libiconv
  }:
  
negative.code:   };
  
    nativeBuildInputs = [pkgconfig makeWrapper];
    buildInputs = [ harfbuzz icu lua lpeg luaexpat luazlib luafilesystem fontconfig libiconv ]
    ++ optional stdenv.isDarwin darwin.apple_sdk.frameworks.AppKit
    ;
  
    preConfigure = optionalString stdenv.isDarwin ''
      sed -i -e 's|@import AppKit;|#import <AppKit/AppKit.h>|' src/macfonts.m
    '';
  
    NIX_LDFLAGS = optionalString stdenv.isDarwin "-framework AppKit";
  
    LUA_PATH = luaPath;
    LUA_CPATH = luaCPath;
  