Other than that, they work in exactly the same way. In particular,
they @emph{both} expect content of the form @code{key1=value1&key2=value2},
with percent-encoding for special characters; the only difference is
-that one expects its content as a command-line paramter and the other
+that one expects its content as a command-line parameter and the other
accepts its content from a file. In particular, @samp{--post-file} is
@emph{not} for transmitting files as form attachments: those must
appear as @code{key=value} data (with appropriate percent-coding) just