In the IEEE latex package, I see that the paragraph spacing is set to zero (.cls file)

% Controls the spacing between paragraphs in lists. 
% IEEE does not increase spacing before or after paragraphs 
% so this is also zero. 
% With IEEEtran.cls, global changes to
% this value DO affect lists (but not IED lists).
\parsep             \z@

However, in the output PDF file, I see some spacings.

enter image description here


  • I haven't used the IEEE latex package, but usually I would set parsep in the preamble via \setlength{\parsep}{0pt). Can you try if that works?
    – altabq
    Oct 14, 2014 at 9:08
  • 1
    My bad, had a typo. The 0pt should be in {}-type brackets, not in regular brackets. So \setlength{\parskip}{0pt}
    – altabq
    Oct 14, 2014 at 9:15
  • 1
    \parsep is about paragraph spacing inside lists, not about normal paragraphs, for which the parameter is \parskip, usually set to 0pt plus 0.1pt. Setting \parskip to zero will probably produce underfull boxes and columns with unequal heights.
    – egreg
    Oct 14, 2014 at 9:40
  • @AndrewCashner No, I meant \parskip. If there's no flexible glue in a column and the text height is not computed correctly, underfull boxes and unbalanced columns will appear.
    – egreg
    Oct 14, 2014 at 16:10

1 Answer 1


It is difficult to answer your question without knowing your setup. If you have chosen the option twoside, you also have turned on flushbottom I presume, and then LaTeX will add space also between the paragraphs to stretch the page.

Try the option oneside, or add the command \raggedbottom as the last command in the preamble.

The class files defines \parskip as:

\parskip 0ex plus 0.2ex minus 0.1ex

so check your code and packages that you not unintentionally have altered this definition.

  • If you download the package and compile the bare_conf.tex, you will see the issue
    – mahmood
    Oct 14, 2014 at 9:14
  • @mahmood I am not able to install the class on my computer now.
    – Sveinung
    Oct 14, 2014 at 9:29

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