title_body: Calibre convertion: text goes out of the screen
upvoted_answer: I found the answer: the original .html file had table inside with fixed width, and that's why the text was running out of the screen. The solution: just use the option --linearize-tables !
  
  ebook-convert 08-microprocesseur-son-environnement.html 08-microprocesseur-son-environnement.epub  --linearize-tables