Add explanations to some lines

This commit is contained in:
Kjistóf 2016-12-11 10:20:45 +01:00 committed by Kristóf Tóth
parent ad1d8b4628
commit 4c566747c2
1 changed files with 2 additions and 2 deletions

View File

@ -9,8 +9,8 @@ for file in argv[1:]:
(
''.join(ch for ch in file
if ch.isalnum()
or ch is ' '
or ch is '.'
or ch is ' ' # whitespaces will be replaced
or ch is '.' # dots are ok
or ch is '_' # do not ruin previous work
or ch is '-') # dashes are ok
)