Issue #11268: Prevent Mac OS X Installer failure if Documentation

package had previously been installed.

Mac/BuildScript/scripts/postflight.documentation

@@ -27,6 +27,6 @@ fi
 if [ -d "${SHARE_DIR}" ]; then
     mkdir -p "${SHARE_DOCDIR}"
     # make relative link to html doc directory
-    ln -s "${SHARE_DOCDIR_TO_FWK}/${FWK_DOCDIR_SUBPATH}" "${SHARE_DOCDIR}/html"
+    ln -fhs "${SHARE_DOCDIR_TO_FWK}/${FWK_DOCDIR_SUBPATH}" "${SHARE_DOCDIR}/html"
 fi
 

Misc/NEWS

@@ -21,7 +21,14 @@ Library
 - Issue #10276: Fix the results of zlib.crc32() and zlib.adler32() on buffers
   larger than 4GB.  Patch by Nadeem Vawda.
 
+Build
+-----
+
+- Issue #11268: Prevent Mac OS X Installer failure if Documentation
+  package had previously been installed.
+
 Tests
+-----
 
 - Issue #10990: Prevent tests from clobbering a set trace function.