http://issues.apache.org/bugzilla/show_bug.cgi?id=22692 : - added new splitPreserveAllTokens methods to mirror the split functionality, preserving empty tokens indicated by adjacent tokens; - refactored logic of existing split method into splitWorker for sharing by new splitPreserveAllTokens methods
jakarta/commons/proper/lang/trunk/src/java/org/apache/commons/lang/StringUtils.java