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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4297 626c5289-ae23-0410-ae9c-e8d60b6d4f22
2003-02-11 21:30:40 +00:00 · 2003-02-11 21:30:40 +00:00 · 3519b94187
commit 3519b94187
parent 43c45a7c51
1 changed files with 14 additions and 0 deletions
--- a/CHANGES.current
+++ b/CHANGES.current
@ -1,5 +1,19 @@
 Version 1.3.18 (In progress)
 ============================
+02/11/2003: beazley
+            Fixed more very subtle preprocessor corner cases related to recursive
+            macro expansion.  For example:
+
+                   #define cat(x,y) x ## y
+
+                   cat(cat(1,2),3)    // Produces: cat(1,2)3
+                   
+                   #define xcat(x,y) cat(x,y)
+
+                   xcat(xcat(1,2),3)  // Produces 123
+
+            See K&R, 2nd Ed. p. 231.
+
 02/10/2003: beazley
            Fixed subtle preprocessor argument expansion bug. Reported by Marcelo Matus.