add how to build Xcode framework to README

I forgot this _again_ an had to look it up :)

diff --git a/README.md b/README.md
index d27d8a521465c8b810813c15c1adb2be1bce8f2a..232ae4438c2ececf4ddae13c1c50d7bb67425612 100644 (file)
--- a/README.md
+++ b/README.md
@@ -39,6 +39,13 @@ You can optionally test using the test suite:
 
        ctest
 
+### Building an Xcode Framework ###
+
+To build the Xcode framework project that you can include in your own projects, there's only one build step:
+
+       make xcode
+       (OR)
+       make xcode-debug
 
 ## Differences in the MultiMarkdown Syntax ##