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diff --git a/test/help/wasm2wat.txt b/test/help/wasm2wat.txt
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+;;; EXE: %(wasm2wat)s
+;;; FLAGS: --help
+(;; STDOUT ;;;
+usage: wasm2wat [options] filename
+
+  Read a file in the WebAssembly binary format, and convert it to
+  the WebAssembly text format.
+
+examples:
+  # parse binary file test.wasm and write text file test.wast
+  $ wasm2wat test.wasm -o test.wat
+
+  # parse test.wasm, write test.wat, but ignore the debug names, if any
+  $ wasm2wat test.wasm --no-debug-names -o test.wat
+
+options:
+  -v, --verbose                               Use multiple times for more info
+  -h, --help                                  Print this help message
+  -o, --output=FILENAME                       Output file for the generated wast file, by default use stdout
+  -f, --fold-exprs                            Write folded expressions where possible
+      --enable-exceptions                     Experimental exception handling
+      --enable-saturating-float-to-int        Saturating float-to-int operators
+      --enable-threads                        Threading support
+      --inline-exports                        Write all exports inline
+      --no-debug-names                        Ignore debug names in the binary file
+      --generate-names                        Give auto-generated names to non-named functions, types, etc.
+      --no-check                              Don't check for invalid modules
+;;; STDOUT ;;)