title: Blank spaces in header read csv
body: <p>I want to read a file with <strong>read.csv2</strong> function. This file contains blank spaces in column names. Whith the parameter header = FALSE I can read the file but when I replace FALSE by TRUE, I have this error :</p>
  
  <pre><code>Error in make.names(col.names, unique = TRUE) : chaîne de charactères multioctets incorrecte 7
  </code></pre>
  
  <p>How can I manage this error? </p>
  
  <p>My code : </p>
  
  <pre><code>client &lt;- read.csv2("./data/Clients.csv", header = T, na.strings = "",
                    stringsAsFactors = FALSE, sep = ";", encoding = "UTF-8")
  </code></pre>
  
  <p>Thanks for your help.</p>