Merge branch 'jc/read-tree-df' (early part)

diff --git a/interpolate.h b/interpolate.h
index 190a180b587aa565ae2ae71f9eb068ad75db168f..16a26b998699a8a5a5b3472f4b57a574a292beef 100644 (file)
--- a/interpolate.h
+++ b/interpolate.h
@@ -12,7 +12,7 @@
  */
 
 struct interp {
-       char *name;
+       const char *name;
        char *value;
 };