JH/17 Change the list-building routines interface to use the expanding-string
triplet model, for better allocation and copying behaviour.
+JH/18 Prebuild the data-structure for "builtin" macros, for faster startup.
+ Previously it was constructed the first time a possibly-matching string
+ was met in the configuration file input during startup; now it is done
+ during compilation.
+
Exim version 4.89
-----------------