sp = ' '
hash = '#'
bs = '\\'
tab = '\t'
nl = '\n'
cr = '\r'
x00 = '\x00'
xE4 = u'\xE4'
xFF = u'\xFF'
u2603 = u'\u2603'  # SNOWMAN
uFFFF = u'\uFFFF'
U00010905 = u'\U00010905'  # PHOENICIAN LETTER WAU
U0010FFFF = u'\U0010FFFF'  # Biggest valid Unicode character
var = '${non_existing}'
pipe = '|'
