[python-control-developers] [python-control/python-control] fe6d77: fix latex representation for exp format and multi-...

[Ben <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/python-control/python-control
  Commit: fe6d77427764b4891c3bfa4467a45a720416891e
      https://github.com/python-control/python-control/commit/fe6d77427764b4891c3bfa4467a45a720416891e
  Author: Ben <co...@bn...>
  Date:   2019-12-31 (Tue, 31 Dec 2019)

  Changed paths:
    M control/tests/xferfcn_test.py

  Log Message:
  -----------
  fix latex representation for exp format and multi-digit exponents of s or z (#330)

* fix latex representation for exponential format and multi-digit exponents of s or z

* add docstring to _tf__string_to_latex

* move to times instead of cdot

* add unittest

* fix invalid escape sequence

* more invalid escape sequences