D4Xcode offers support for editing D source code files using the Xcode IDE on Mac OS X. It provides syntax highlighting of .d files from within Xcode and adds new icons so that .d files show up properly in the Finder.
Note: D4Xcode does not include a D compiler that can be plugged into Xcode, it only adds syntax hightling and file icon associations for .d files. To compile D code on Mac OS X, downloadthe free GDC compiler.
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