Github user ajs6f commented on a diff in the pull request: https://github.com/apache/jena/pull/282#discussion_r142186147 --- Diff: jena-arq/src/main/java/org/apache/jena/sparql/util/FmtUtils.java --- @@ -535,6 +535,7 @@ private static boolean validPNameChar(char ch) { if ( Character.isLetterOrDigit(ch) ) return true ; if ( ch == '.' ) return true ; + if ( ch == ':' ) return true ; --- End diff -- This is getting long enough that it might read better as a `switch`/`case`.
---