searching for '(author("clanger") or desc("Contributed-by: christoph.langer@sap.com")) and not merge()'

Assuming revset expression search. Use literal keyword search instead.

age author description
Thu, 20 Aug 2015 10:58:57 -0700 dcubed 8130910: hsperfdata file is created in wrong directory and not cleaned up if /tmp/hsperfdata_<username> has wrong permissions
Mon, 01 Aug 2016 20:41:15 -0400 clanger 8162869: Small fixes for AIX perf memory and attach listener
Fri, 01 Jul 2016 11:29:55 +0200 clanger 8160565: AIX port: cleanup of libo4 wrapper stubjdk-9+126
Fri, 19 Feb 2016 10:44:54 +0100 clanger 8150232: AIX cleanup: Integrate changes of 7178026 and others
Wed, 04 Nov 2015 16:23:08 -0800 clanger 8140244: Port fix of JDK-8075773 to AIX and possibly MacOSX