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 This patch makes emission of /CreationDate and /ModDate headers optional.

diff --git a/orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c b/bb/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
index 0fb067e..b342e2c 100644
--- orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
+++ gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
@@ -305,6 +305,9 @@ pdf_initialize_ids(gx_device_pdf * pdev)
      * date and time, rather than (for example) %%CreationDate from the
      * PostScript file.  We think this is wrong, but we do the same.
      */
+    if (!getenv("GS_GENERATE_UUIDS") ||
+        (strcmp(getenv("GS_GENERATE_UUIDS"), "0") != 0 &&
+         strcmp(getenv("GS_GENERATE_UUIDS"), "no") != 0))
     {
         struct tm tms;
         time_t t;