harti ef37b341c3 Split Var_Subst() into two functions: Var_SubstOnly() which substitutes
only one variable and Var_Subst() which substitutes all. Split out the
test whether a variable should not be expanded into match_var().
Make access to the input string consistently using str[]. Remove two
unused functions: Var_GetTail() and Var_GetHead().

Patches:	7.184-7.189
Submitted by:	Max Okumoto <okumoto@ucsd.edu>
2005-05-09 14:06:04 +00:00
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