Index: grammalecte-cli.py
==================================================================
--- grammalecte-cli.py
+++ grammalecte-cli.py
@@ -1,6 +1,10 @@
 #!/usr/bin/env python3
+
+"""
+Grammalecte CLI (command line interface)
+"""
 
 import sys
 import os.path
 import argparse
 import json
@@ -71,17 +75,19 @@
             sText, lLineSet = txt.createParagraphWithLines(lLine)
             yield iParagraph, sText, lLineSet
 
 
 def output (sText, hDst=None):
+    "write in the console or in a file if <hDst> not null"
     if not hDst:
         echo(sText, end="")
     else:
         hDst.write(sText)
 
 
 def main ():
+    "launch the CLI (command line interface)"
     xParser = argparse.ArgumentParser()
     xParser.add_argument("-f", "--file", help="parse file (UTF-8 required!) [on Windows, -f is similar to -ff]", type=str)
     xParser.add_argument("-ff", "--file_to_file", help="parse file (UTF-8 required!) and create a result file (*.res.txt)", type=str)
     xParser.add_argument("-owe", "--only_when_errors", help="display results only when there are errors", action="store_true")
     xParser.add_argument("-j", "--json", help="generate list of errors in JSON (only with option --file or --file_to_file)", action="store_true")
@@ -213,14 +219,14 @@
             elif sText.startswith("/++ "):
                 for sRule in sText[3:].strip().split():
                     oGrammarChecker.gce.reactivateRule(sRule)
                 echo("done")
             elif sText == "/debug" or sText == "/d":
-                xArgs.debug = not(xArgs.debug)
+                xArgs.debug = not xArgs.debug
                 echo("debug mode on"  if xArgs.debug  else "debug mode off")
             elif sText == "/textformatter" or sText == "/tf":
-                xArgs.textformatter = not(xArgs.textformatter)
+                xArgs.textformatter = not xArgs.textformatter
                 echo("textformatter on"  if xArgs.debug  else "textformatter off")
             elif sText == "/help" or sText == "/h":
                 echo(_HELP)
             elif sText == "/lopt" or sText == "/lo":
                 oGrammarChecker.gce.displayOptions("fr")
@@ -234,16 +240,16 @@
                 # reload (todo)
                 pass
             else:
                 for sParagraph in txt.getParagraph(sText):
                     if xArgs.textformatter:
-                        sText = oTextFormatter.formatText(sText)
-                    sRes = oGrammarChecker.generateParagraph(sText, bEmptyIfNoErrors=xArgs.only_when_errors, nWidth=xArgs.width, bDebug=xArgs.debug)
+                        sText = oTextFormatter.formatText(sParagraph)
+                    sRes = oGrammarChecker.generateParagraph(sParagraph, bEmptyIfNoErrors=xArgs.only_when_errors, nWidth=xArgs.width, bDebug=xArgs.debug)
                     if sRes:
                         echo("\n" + sRes)
                     else:
                         echo("\nNo error found.")
             sText = _getText(sInputText)
 
 
 if __name__ == '__main__':
     main()