parser common UPDATE use errors from ext context
Refs cesnet/netopeer2#1317
diff --git a/src/common.h b/src/common.h
index 264fe81..06a79db 100644
--- a/src/common.h
+++ b/src/common.h
@@ -88,6 +88,14 @@
void ly_vlog(const struct ly_ctx *ctx, const char *apptag, LY_VECODE code, const char *format, ...);
/**
+ * @brief Move error items from source to target context replacing any previous ones.
+ *
+ * @param[in] src_ctx Source context to read errors from.
+ * @param[in] trg_ctx Target context to set the errors for.
+ */
+void ly_err_move(struct ly_ctx *src_ctx, struct ly_ctx *trg_ctx);
+
+/**
* @brief Logger's location data setter.
*
* @param[in] scnode Compiled schema node.