Space between range mentioned for typedef is throwing error but according to RFC example it is valid scenario.

Defect : Space between range mentioned for typedef is throwing error but according to RFC example it is valid scenario.

Yang :
typedef percent {
type uint8

{ range "0 .. 100"; <<<<<<<<<<--------- Space between "0" to ".." and ".." to "100" }

description "Percentage";
}

Build Logs :
mvn clean install
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building onlab-test 1.6.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] — maven-clean-plugin:2.5:clean (default-clean) @ onlab-test —
[INFO]
[INFO] — jacoco-maven-plugin:0.7.5.201505241946:prepare-agent (default-prepare-agent) @ onlab-test —
[INFO] argLine set to -javaagent:/home/root1/.m2/repository/org/jacoco/org.jacoco.agent/0.7.5.201505241946/org.jacoco.agent-0.7.5.201505241946-runtime.jar=destfile=/opt/onos-master/onos/utils/test/target/jacoco.exec -Duser.language=en -Duser.region=US
[INFO]
[INFO] — yangutils-maven-plugin:1.0.0-SNAPSHOT:yang2java (default) @ onlab-test —
[INFO] Error in file: /opt/YangTest/YangFiles/Onos_Yang_rpc.yang at line: 15 at position: 13
YANG file error : Input value "0 " is not a valid uint8.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.915 s
[INFO] Finished at: 2016-05-20T12:29:15+05:30
[INFO] Final Memory: 19M/311M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.onosproject:yangutils-maven-plugin:1.0.0-SNAPSHOT:yang2java (default) on project onlab-test: Exception occured due to YANG file error : Input value "0 " is not a valid uint8. in /opt/YangTest/YangFiles/Onos_Yang_rpc.yang YANG file. -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
root1@root1-HP-EliteBook-840-G2:/opt/onos-master/onos/utils/test$ mvn clean install
[INFO] Scanning for projects...
[INFO]