[docs] [issue37779] configparser: add documentation about several read() behaviour

Stéphane Blondon <stephane.blondon@gmail.com> added the comment: Merged by Łukasz Langa in september 2020. (Thanks Łukasz) ---------- resolution: -> fixed stage: patch review -> resolved status: open -> closed _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue37779> _______________________________________