def fixwordbreaks(root):

# Make sure that Tk's double-click and next/previous word

# operations use our definition of a word (i.e. an identifier)

# On Windows, tcl/tk breaks 'words' only on spaces, as in Command Prompt.

# We want Motif style everywhere. See #21474, msg218992 and followup.

tk = root.tk

tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded

tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]')

tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]')

tk.call('set', 'tcl_wordchars', r'\w')

tk.call('set', 'tcl_nonwordchars', r'\W')

def _editor_window(parent): # htest #