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diff -up gv-3.7.4/src/zoom.c.bug1071238 gv-3.7.4/src/zoom.c
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--- gv-3.7.4/src/zoom.c.bug1071238	2012-03-29 10:03:50.000000000 -0600
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+++ gv-3.7.4/src/zoom.c	2014-03-03 09:13:09.724941964 -0700
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@@ -104,12 +104,12 @@ zoom_createZoom(Widget w _GL_UNUSED, XtP
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     BEGINMESSAGE(zoom_createZoom)
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-    if (!(gv_psfile != NULL || (gv_gs_arguments && *gv_gs_arguments))) {
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+    if (!gv_psfile) {
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        INFMESSAGE(no file) ENDMESSAGE(zoom_createZoom)
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        return;
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     }
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-    if (strcmp(gv_filename, "-")) {
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+    if (gv_filename != NULL && strcmp(gv_filename, "-")) {
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        stat(gv_filename, &sbuf);
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        if (mtime != sbuf.st_mtime) {
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 	  INFMESSAGE1(file has changed) ENDMESSAGE1(zoom_createZoom)return;