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diff --git a/helm/software/matita/dist/ChangeLog b/helm/software/matita/dist/ChangeLog
index baad226d12550fdf41df82aa375df4800829b175..e171b838661f799eb844e4949543ba20bfc4c5a8 100644 (file)
--- a/helm/software/matita/dist/ChangeLog
+++ b/helm/software/matita/dist/ChangeLog
@@ -1,4 +1,8 @@
-0.5.1  - -/5/2008 - minor bug fix release
+0.5.?  - ?/?/? - ?
+       * refinement of match fixed to prevent useless unfolding,
+         head_beta_reduce is used instead of whd ~delta:true
+
+0.5.1  - 29/5/2008 - minor bug fix release
        * visualization of inductive types reports the number of fixed parameters
        * a wrong context was used to refine fixpoints arguments
          when trying to optimize out the letin (grep for `AvoidLetIn):