string-contains and srfi-13

[Chuah Teong Leong]

Hi. Is srfi-13 implemented? I was under the impression it was so I was
surprised that string-contains threw me an error.

(require 'srfi-13)
(string-contains "se" "s") this throws the following exception

gnu.mapping.WrongArguments: call to 'gnu.expr.ModuleMethod' has too
many arguments (3; must be 2)
	at gnu.expr.ModuleBody.applyN(ModuleBody.java:244)
	at gnu.expr.ModuleMethod.applyN(ModuleMethod.java:216)
	at gnu.mapping.Values.call_with(Values.java:128)
	at kawa.standard.call_with_values.callWithValues(call_with_values.java:15)
	at gnu.kawa.slib.srfi13.makeKmpRestartVector$V(srfi13.scm:1435)
	at gnu.kawa.slib.srfi13.$PcKmpSearch(srfi13.scm:1387)
	at gnu.kawa.slib.srfi13$frame83.lambda193(srfi13.scm:1360)
	at gnu.kawa.slib.srfi13$frame83.apply2(srfi13.scm)
	at gnu.expr.ModuleBody.applyN(ModuleBody.java:237)
	at gnu.expr.ModuleMethod.applyN(ModuleMethod.java:216)
	at gnu.mapping.Values.call_with(Values.java:128)
	at kawa.standard.call_with_values.callWithValues(call_with_values.java:15)
	at gnu.kawa.slib.srfi13$frame82.lambda191(srfi13.scm:1358)
	at gnu.kawa.slib.srfi13$frame82.apply3(srfi13.scm)
	at gnu.expr.ModuleBody.applyN(ModuleBody.java:239)
	at gnu.expr.ModuleMethod.applyN(ModuleMethod.java:216)
	at gnu.mapping.Values.call_with(Values.java:128)
	at kawa.standard.call_with_values.callWithValues(call_with_values.java:15)
	at gnu.kawa.slib.srfi13.stringContains$V(srfi13.scm:1358)
	at atInteractiveLevel$3.run(stdin:3)
	at gnu.expr.ModuleExp.evalModule2(ModuleExp.java:279)
	at gnu.expr.ModuleExp.evalModule(ModuleExp.java:180)
	at kawa.Shell.run(Shell.java:279)
	at kawa.Shell.run(Shell.java:194)
	at kawa.Shell.run(Shell.java:175)
	at kawa.repl.main(repl.java:884)