docs: change `troubles` references to `instability`
Per https://www.mercurial-scm.org/wiki/CEDVocabulary. There are a couple
instances of 'troublesome' which probably need a word, as deriviatives of
'instability' didn't really fit. At least some of these are in the unlinked
obs-terms.rst page.
import sys
formatted_args = []
UNSAFE_CHARACTERS = [" ", "!", "\"", "#", "$", "&", "'", "(", ")", "*", ",", ";", "<", ">", "?", "[", "\\", "]", "^", "`", "{", "|", "}", ":", "~", "/"]
def find_unsafe(arg):
for unsafe in UNSAFE_CHARACTERS:
if unsafe in arg:
return True
return False
for arg in sys.argv[1:]:
if find_unsafe(arg):
formatted_args.append('"%s"' % arg)
else:
formatted_args.append(arg)
print("$ " + " ".join(formatted_args))