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[CLJ-1146] Symbol name starting with digits to defn throws "Unmatched delimiter )" Created: 13/Jan/13  Updated: 03/Sep/13

Status: Open
Project: Clojure
Component/s: None
Affects Version/s: Release 1.5
Fix Version/s: None

Type: Enhancement Priority: Trivial
Reporter: Linus Ericsson Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: errormsgs, reader

$java -jar clojure-1.5.0-RC2.jar

$java -version
java version "1.6.0_37"
Java(TM) SE Runtime Environment (build 1.6.0_37-b06-434-10M3909)
Java HotSpot(TM) 64-Bit Server VM (build 20.12-b01-434, mixed mode)
Mac OS X:
System Version: Mac OS X 10.6.8 (10K549)
Kernel Version: Darwin 10.8.0


When trying to use an invalid symbol name when defining a function, the error message thrown is a confusing and wrong one. The error message is "RuntimeException Unmatched delimiter: ) clojure.lang.Util.runtimeException (Util.java:219)", which unfortunately is the only message seen in nrepled emacs.

$ java -jar clojure-1.5.0-RC2.jar
Clojure 1.5.0-RC2
user=> (defn 45fn [] nil)
NumberFormatException Invalid number: 45fn clojure.lang.LispReader.readNumber (LispReader.java:255)
RuntimeException Unmatched delimiter: ) clojure.lang.Util.runtimeException (Util.java:219)

When trying to (defn or (def a thing with a non valid symbol name, the last thrown error message should be one stating that the given symbol name is not a valid one.

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