Lines Matching full:undefined

16 # An undefined variable counts as empty.
21 # An undefined variable has the empty string as the value, and the :M
30 # no longer empty, but it is still based on an undefined variable.  There are
31 # a few modifiers that turn an undefined expression into a defined expression,
33 # expression, the expression is still undefined, so its final value becomes an
43 # The :U modifier changes the state of a previously undefined expression from
51 # When an expression is based on an undefined variable, its modifiers interact
52 # in sometimes surprising ways.  Applying the :S modifier to the undefined
54 # is based on an undefined variable.  The :U modifier that follows only looks
59 # Since the variable was undefined to begin with, the fallback value from the
108 # that variable is indeed undefined.  Since CondParser_FuncCallEmpty allows
109 # subexpressions to be based on undefined variables, the value of the
110 # undefined variable "" would be returned as an empty string.
181 # they just allowed undefined variables to be used in the conditions.  These