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3 Scheme Syntax Extension Packages

• Defmacro
• R4RS Macros
• Macro by Example
• Macros That Work
• Syntactic Closures
• Syntax-Case Macros
• Define-Structure
• Define-Record-Type
• Fluid-Let
• Parameter Objects
• Binding to multiple values
• Guarded LET* special form
• Guarded COND Clause
• Yasos