This patch only applies to ACS 7.2, don't deploy it on a different version.
Details can be found in Alfresco/alfresco-community-repo#870
This patch solves an specific issue related with the name of downloaded documents when including special characters (like spaces or parenthesis).
Regular Maven command can be used.
$ mvn clean package -DskipTests
This will produce mnt-22668-1.0.0.amp
file in target
folder that can be installed in ACS Repo side.
AMP package is required due to the use of Acosix Utility library
Apply the AMP package in releases to your Alfresco Repository deployment: