Add automatic macros for compile-time feature options

[exim.git] / doc / doc-txt / NewStuff

diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff
index 219c3c3fbc8063620e3c405d1d15f0f73589a746..b9ed8a00dd330235bd73e3ea0065e6d38e973651 100644 (file)
--- a/doc/doc-txt/NewStuff
+++ b/doc/doc-txt/NewStuff
@@ -37,6 +37,10 @@ Version 4.88
 
  9. Expansion operator escape8bit, like escape but not touching newline etc..
 
+10. Feature macros, generated from compile options.  All start with "_HAVE_"
+    and go on with some roughly recognisable name.  Use the "-bP macros"
+    command-line option to see what is present.
+
 
 Version 4.87
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