Bash-4.2 distribution sources and documentation

tests/comsub-posix2.sub

@@ -0,0 +1,16 @@
+# problem with bash-4.x versions before bash-4.2.  required posix interp
+swap32_posix()
+{
+        local funcname=swap32_posix
+        local arg
+        for arg in "$@"; do
+                echo $((
+                        ($arg & 4278190080) >> 24 |
+                        ($arg & 16711680) >> 8 |
+                        ($arg & 65280) << 8 |
+                        ($arg & 255) << 24
+                ))
+        done
+}
+
+type swap32_posix