Demo gist

gistfile1.txt

########## defaults for columns widths - for FUN
# this historically was called 'columns' as it was used to specify
# the width of the 3 columns (in correction mode)
# or of the 2 columns (in example mode)
# however when adding new layouts like 'text', the argument passed to the layout
# function ceased to be a column width, so we call this layout_args instead
# but in most cases this does represent column widths
default_layout_args =  (24, 28, 28)

Ici encore le but est d'accumuler un fil de discussion

Je ne sais pas s'il est possible de faire des changements sur le code au fil de la discussion