title: pdfjam: Merging multiple pdfs into one page without white space
body: <p>which I want to get AB closer without space:</p>
  
  <pre><code>------       ------            ----------     ------------
  |     |      |      |          |  ————  |    | ——    ——  |
  |  A  |      |  B   |          |  |A|B| |    | |A|   |B| |
  |     |      |      |          |  ————  |    |  ——   ——  |
  |     |      |      |  ---&gt;    |        |NOT |           |
  |     |      |      |          |        |    |           |
  |     |      |      |          |        |    |           |
  |     |      |      |          |        |    |           |
  ------       ------            ------      --------
  </code></pre>
  
  <p>which I use:</p>
  
  <pre><code>pdfjam figurea.pdf figureb.pdf --nup 2x1 --landscape --outfile figureout.pdf
  </code></pre>