diff --git a/collects/tests/r6rs/arithmetic/bitwise.ss b/collects/tests/r6rs/arithmetic/bitwise.sls similarity index 100% rename from collects/tests/r6rs/arithmetic/bitwise.ss rename to collects/tests/r6rs/arithmetic/bitwise.sls diff --git a/collects/tests/r6rs/arithmetic/fixnums.ss b/collects/tests/r6rs/arithmetic/fixnums.sls similarity index 100% rename from collects/tests/r6rs/arithmetic/fixnums.ss rename to collects/tests/r6rs/arithmetic/fixnums.sls diff --git a/collects/tests/r6rs/arithmetic/flonums.ss b/collects/tests/r6rs/arithmetic/flonums.sls similarity index 100% rename from collects/tests/r6rs/arithmetic/flonums.ss rename to collects/tests/r6rs/arithmetic/flonums.sls diff --git a/collects/tests/r6rs/base.ss b/collects/tests/r6rs/base.sls similarity index 100% rename from collects/tests/r6rs/base.ss rename to collects/tests/r6rs/base.sls diff --git a/collects/tests/r6rs/bytevectors.ss b/collects/tests/r6rs/bytevectors.sls similarity index 100% rename from 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collects/tests/r6rs/exceptions.sls diff --git a/collects/tests/r6rs/hashtables.ss b/collects/tests/r6rs/hashtables.sls similarity index 100% rename from collects/tests/r6rs/hashtables.ss rename to collects/tests/r6rs/hashtables.sls diff --git a/collects/tests/r6rs/io/ports.ss b/collects/tests/r6rs/io/ports.sls similarity index 100% rename from collects/tests/r6rs/io/ports.ss rename to collects/tests/r6rs/io/ports.sls diff --git a/collects/tests/r6rs/io/simple.ss b/collects/tests/r6rs/io/simple.sls similarity index 100% rename from collects/tests/r6rs/io/simple.ss rename to collects/tests/r6rs/io/simple.sls diff --git a/collects/tests/r6rs/lists.ss b/collects/tests/r6rs/lists.sls similarity index 100% rename from collects/tests/r6rs/lists.ss rename to collects/tests/r6rs/lists.sls diff --git a/collects/tests/r6rs/mutable-pairs.ss b/collects/tests/r6rs/mutable-pairs.sls similarity index 100% rename from collects/tests/r6rs/mutable-pairs.ss rename to collects/tests/r6rs/mutable-pairs.sls diff --git a/collects/tests/r6rs/mutable-strings.ss b/collects/tests/r6rs/mutable-strings.sls similarity index 100% rename from collects/tests/r6rs/mutable-strings.ss rename to collects/tests/r6rs/mutable-strings.sls diff --git a/collects/tests/r6rs/programs.ss b/collects/tests/r6rs/programs.sls similarity index 100% rename from collects/tests/r6rs/programs.ss rename to collects/tests/r6rs/programs.sls diff --git a/collects/tests/r6rs/r5rs.ss b/collects/tests/r6rs/r5rs.sls similarity index 100% rename from collects/tests/r6rs/r5rs.ss rename to collects/tests/r6rs/r5rs.sls diff --git a/collects/tests/r6rs/reader.ss b/collects/tests/r6rs/reader.sls similarity index 100% rename from collects/tests/r6rs/reader.ss rename to collects/tests/r6rs/reader.sls diff --git a/collects/tests/r6rs/records/procedural.ss b/collects/tests/r6rs/records/procedural.sls similarity index 100% rename from collects/tests/r6rs/records/procedural.ss rename to collects/tests/r6rs/records/procedural.sls diff --git a/collects/tests/r6rs/records/syntactic.ss b/collects/tests/r6rs/records/syntactic.sls similarity index 100% rename from collects/tests/r6rs/records/syntactic.ss rename to collects/tests/r6rs/records/syntactic.sls diff --git a/collects/tests/r6rs/run.ss b/collects/tests/r6rs/run.sls similarity index 100% rename from collects/tests/r6rs/run.ss rename to collects/tests/r6rs/run.sls diff --git a/collects/tests/r6rs/sorting.ss b/collects/tests/r6rs/sorting.sls similarity index 100% rename from collects/tests/r6rs/sorting.ss rename to collects/tests/r6rs/sorting.sls diff --git a/collects/tests/r6rs/syntax-case.ss b/collects/tests/r6rs/syntax-case.sls similarity index 100% rename from collects/tests/r6rs/syntax-case.ss rename to collects/tests/r6rs/syntax-case.sls diff --git a/collects/tests/r6rs/test.ss b/collects/tests/r6rs/test.sls similarity index 100% rename from collects/tests/r6rs/test.ss rename to collects/tests/r6rs/test.sls diff --git a/collects/tests/r6rs/unicode.ss 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