Even more bulk rebaselining.

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug/expected-results.json

 {
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   "expected-results": {
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@@ skipping 255 matching lines @@
       ], 
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           5515466835202955433
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@@ skipping 368 matching lines @@
       ], 
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     "bitmaprect_s_pdf-poppler.png": {
       "allowed-digests": [
         [
@@ skipping 7753 matching lines @@
           "bitmap-64bitMD5", 
           9418063666161005464
         ]
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     }, 
     "points_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
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     "points_pdf-poppler.png": {
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           14208320379733166227
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@@ skipping 1394 matching lines @@
       ], 
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     }, 
     "srcmode_pdf-poppler.png": {
       "allowed-digests": [
         [
@@ skipping 849 matching lines @@
           "bitmap-64bitMD5", 
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     "verttext2_gpu.png": {
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     "verttext2_pdf-poppler.png": {
       "allowed-digests": [
         [
@@ skipping 241 matching lines @@
           9206571293968307032
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       "bugs": [
         1578
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   }
 }