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-rw-r--r--sys/gio/stdgraph/stgonerr.x17
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diff --git a/sys/gio/stdgraph/stgonerr.x b/sys/gio/stdgraph/stgonerr.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include "stdgraph.h"
+
+# STG_ONERROR -- Called when error recovery takes place to deactivate the
+# stdgraph workstation, i.e., take the terminal out of graphics mode. If
+# this is not done error messages will be written as vectors.
+
+procedure stg_onerror (errcode)
+
+int errcode
+include "stdgraph.com"
+
+begin
+ if (g_active == YES)
+ call stg_deactivatews (0)
+end