in src/main/java/org/apache/sling/scripting/sightly/compiler/SightlyCompiler.java [239:254]
private String getContiguousOffendingSequence(String input) {
if (input != null) {
StringBuilder longestSequence = new StringBuilder();
char[] inputCharArray = input.toCharArray();
for (int index = inputCharArray.length - 1; index >= 0; index--) {
char c = inputCharArray[index];
if (!Character.isWhitespace(c)) {
longestSequence.insert(0, c);
} else {
break;
}
}
return longestSequence.toString();
}
return null;
}