comment update

diff --git a/err.h b/err.h
index cf428563e960def9a98c2109b67e3e8f93955452..9dd5a59ff083ee0570c518940549f2f90aad2247 100644 (file)
--- a/err.h
+++ b/err.h
@@ -36,7 +36,8 @@
  *
  * NB: this does not handle recursion at all. Calling externally visible
  * functions from other uci functions is only allowed at the end of the
- * calling function.
+ * calling function, or by wrapping the function call in UCI_TRAP_SAVE
+ * and UCI_TRAP_RESTORE.
  */
 #define UCI_HANDLE_ERR(ctx) do {       \
        int __val;                      \