old_contents: #
  # linter.py
  # Linter for SublimeLinter4, a code checking framework for Sublime Text 3
  #
  # Written by Jack Cherng
  # Copyright (c) 2017-2019 jfcherng
  #
  # License: MIT
  #
  
  from SublimeLinter.lint import Linter
  import sublime
  
  
  class Iverilog(Linter):
      # http://www.sublimelinter.com/en/stable/linter_attributes.html
      name = "iverilog"
      cmd = "iverilog ${args}"
      tempfile_suffix = "verilog"
      multiline = True
      on_stderr = None
  
      # fmt: off
      defaults = {
          "selector": "source.verilog | source.systemverilog",
          "-t": "null",
          "-g": 2012,
          "-I +": [],
          "-y +": [],
      }
      # fmt: on
  
      # there is a ":" in the filepath under Windows like C:\DIR\FILE
      if sublime.platform() == "windows":
          filepath_regex = r"[^:]+:[^:]+"
      else:
          filepath_regex = r"[^:]+"
  
      # what kind of messages should be caught?
      regex = (
          r"(?P<file>{0}):(?P<line>\d+):\s*"
          r"(?:(?:(?P<warning>warning)|(?P<error>error)):)?\s*"
          r"(?P<message>.*)".format(filepath_regex)
      )
  
new_contents: #
  # linter.py
  # Linter for SublimeLinter4, a code checking framework for Sublime Text 3
  #
  # Written by Jack Cherng
  # Copyright (c) 2017-2019 jfcherng
  #
  # License: MIT
  #
  
  from SublimeLinter.lint import Linter
  import sublime
  
  
  class Iverilog(Linter):
      # http://www.sublimelinter.com/en/stable/linter_attributes.html
      name = "iverilog"
      cmd = "iverilog ${args}"
      tempfile_suffix = "verilog"
      multiline = True
      on_stderr = None
  
      # fmt: off
      defaults = {
          "selector": "source.verilog | source.systemverilog",
          # @see https://iverilog.fandom.com/wiki/Iverilog_Flags
          "-t": "null",
          "-g": 2012,
          "-I +": [],
          "-y +": [],
      }
      # fmt: on
  
      # there is a ":" in the filepath under Windows like C:\DIR\FILE
      if sublime.platform() == "windows":
          filepath_regex = r"[^:]+:[^:]+"
      else:
          filepath_regex = r"[^:]+"
  
      # what kind of messages should be caught?
      regex = (
          r"(?P<file>{0}):(?P<line>\d+):\s*"
          r"(?:(?:(?P<warning>warning)|(?P<error>error)):)?\s*"
          r"(?P<message>.*)".format(filepath_regex)
      )
  
subject: Add iverilog flags reference URL