Watch my sed wizardry

• I tried to append together the previous and current lines, like this:

        I am a heading\n**************\n

• Then something like this:

       :loop
       s/^\(.\)\(.*\)\n\(.\)\(.*\)\n/\2\n\4\n/
       t loop
       s/^\n\n//
       t equal
       s///
       t unequal

• t is a test; if the last s/// was successful, it branches to the indicated label

• labels are introduced by :

• I wanted to amaze you with my awesome sed skills

• Sorry, I totally couldn't get it to work.

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