old_contents: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  # Use sphinx-quickstart to create your own conf.py file!
  # After that, you have to edit a few things.  See below.
  
  # Select nbsphinx and, if needed, add a math extension (mathjax or pngmath):
  extensions = [
      'nbsphinx',
      'sphinx.ext.mathjax',
  ]
  
  # Exclude build directory and Jupyter backup files:
  exclude_patterns = ['_build', '**.ipynb_checkpoints']
  
  # If True, the build process is continued even if an exception occurs:
  #nbsphinx_allow_errors = True
  
  # Default language for syntax highlighting (e.g. in Markdown cells)
  highlight_language = 'none'
  
  # -- The settings below this line are not specific to nbsphinx ------------
  
  master_doc = 'index'
  
  project = 'nbsphinx'
  author = 'Matthias Geier'
  copyright = '2016, ' + author
  
  linkcheck_ignore = [r'http://localhost:\d+/']
  
  # -- Get version information from Git -------------------------------------
  
  try:
      from subprocess import check_output
      release = check_output(['git', 'describe', '--tags', '--always'])
      release = release.decode().strip()
  except Exception:
      release = '<unknown>'
  
  # -- Options for HTML output ----------------------------------------------
  
  html_title = project + ' version ' + release
  
  # -- Options for LaTeX output ---------------------------------------------
  
  latex_elements = {
      'papersize': 'a4paper',
      'preamble': r'\setcounter{tocdepth}{3}',
  }
  
  latex_documents = [
      (master_doc, 'nbsphinx.tex', project, author, 'howto'),
  ]
  
  latex_show_urls = 'footnote'
  
new_contents: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  # Use sphinx-quickstart to create your own conf.py file!
  # After that, you have to edit a few things.  See below.
  
  # Select nbsphinx and, if needed, add a math extension (mathjax or pngmath):
  extensions = [
      'nbsphinx',
      'sphinx.ext.mathjax',
  ]
  
  # Exclude build directory and Jupyter backup files:
  exclude_patterns = ['_build', '**.ipynb_checkpoints']
  
  # If True, the build process is continued even if an exception occurs:
  #nbsphinx_allow_errors = True
  
  # Default language for syntax highlighting (e.g. in Markdown cells)
  highlight_language = 'none'
  
  # -- The settings below this line are not specific to nbsphinx ------------
  
  master_doc = 'index'
  
  project = 'nbsphinx'
  author = 'Matthias Geier'
  copyright = '2016, ' + author
  
  linkcheck_ignore = [r'http://localhost:\d+/']
  
  # -- Get version information from Git -------------------------------------
  
  try:
      from subprocess import check_output
      release = check_output(['git', 'describe', '--tags', '--always'])
      release = release.decode().strip()
  except Exception:
      release = '<unknown>'
  
  # -- Options for HTML output ----------------------------------------------
  
  html_title = project + ' version ' + release
  
  # -- Options for LaTeX output ---------------------------------------------
  
  latex_elements = {
      'papersize': 'a4paper',
      'preamble': r"""
  \setcounter{tocdepth}{3}
  \usepackage{lmodern}  % heavier typewriter font
  """,
  }
  
  latex_documents = [
      (master_doc, 'nbsphinx.tex', project, author, 'howto'),
  ]
  
  latex_show_urls = 'footnote'
  
subject: Use LaTeX package lmodern