Regex capture problem in emit functions
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                 Key: COUCHDB-573
                 URL: https://issues.apache.org/jira/browse/COUCHDB-573
             Project: CouchDB
          Issue Type: Bug
    Affects Versions: 0.11
         Environment: Linux
            Reporter: Eric Desgranges
            Priority: Trivial
             Fix For: 0.11


The capture variables $0, $1, $2... don't get instantiated in regex expressions 
placed in emit functions.

Example:
function(doc) { if (doc.EntityType != null) { emit(doc.ID.Value + '.' + 
doc.EntityType, { Type: doc.EntityType.replace(/[A-Z]/g, ' $0'), ....

EntityType: TestTwo 
Returns:
Type: " $0est $0wo" 

Instead of:
Type: " Test Two" 






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