[Chicken-janitors] #972: check let[rec] bindings for multiple occurrences of the same variable

[Chicken Trac]

#972: check let[rec] bindings for multiple occurrences of the same variable
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 Reporter:  felix        |       Owner:         
     Type:  enhancement  |      Status:  new    
 Priority:  minor        |   Milestone:  someday
Component:  expander     |     Version:  4.8.x  
 Keywords:               |  
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 Emit warning if variables are bound multiple times in the same `let` or
 `letrec` construct.

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Ticket URL: <http://bugs.call-cc.org/ticket/972>
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