--- poppler-0.46.0-sep/poppler/PSOutputDev.cc-	2016-05-31 11:40:39.000000000 -0500
+++ poppler-0.46.0-sep/poppler/PSOutputDev.cc	2016-08-02 12:49:21.247663323 -0500
@@ -1245,6 +1245,7 @@
   embedCIDTrueType = gTrue;
   fontPassthrough = gFalse;
   optimizeColorSpace = gFalse;
+  passLevel1CustomColor = gFalse;
   preloadImagesForms = gFalse;
   generateOPI = gFalse;
   useASCIIHex = gFalse;
@@ -1647,6 +1648,7 @@
       }
     } else if ((level == psLevel1 && lev1 && nonSep) ||
 	       (level == psLevel1Sep && lev1 && sep) ||
+	       (level == psLevel1Sep && lev2 && sep && getPassLevel1CustomColor()) ||
 	       (level == psLevel2 && lev2 && nonSep) ||
 	       (level == psLevel2Sep && lev2 && sep) ||
 	       (level == psLevel3 && lev3 && nonSep) ||
@@ -4117,15 +4119,6 @@
     state->getFillGray(&gray);
     writePSFmt("{0:.4g} g\n", colToDbl(gray));
     break;
-  case psLevel1Sep:
-    state->getFillCMYK(&cmyk);
-    c = colToDbl(cmyk.c);
-    m = colToDbl(cmyk.m);
-    y = colToDbl(cmyk.y);
-    k = colToDbl(cmyk.k);
-    writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} k\n", c, m, y, k);
-    addProcessColor(c, m, y, k);
-    break;
   case psLevel2:
   case psLevel3:
     if (state->getFillColorSpace()->getMode() != csPattern) {
@@ -4140,9 +4133,10 @@
       writePS("] sc\n");
     }
     break;
+  case psLevel1Sep:
   case psLevel2Sep:
   case psLevel3Sep:
-    if (state->getFillColorSpace()->getMode() == csSeparation) {
+    if (state->getFillColorSpace()->getMode() == csSeparation && (level > psLevel1Sep || getPassLevel1CustomColor())) {
       sepCS = (GfxSeparationColorSpace *)state->getFillColorSpace();
       color.c[0] = gfxColorComp1;
       sepCS->getCMYK(&color, &cmyk);
@@ -4183,15 +4177,6 @@
     state->getStrokeGray(&gray);
     writePSFmt("{0:.4g} G\n", colToDbl(gray));
     break;
-  case psLevel1Sep:
-    state->getStrokeCMYK(&cmyk);
-    c = colToDbl(cmyk.c);
-    m = colToDbl(cmyk.m);
-    y = colToDbl(cmyk.y);
-    k = colToDbl(cmyk.k);
-    writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} K\n", c, m, y, k);
-    addProcessColor(c, m, y, k);
-    break;
   case psLevel2:
   case psLevel3:
     if (state->getStrokeColorSpace()->getMode() != csPattern) {
@@ -4206,9 +4191,10 @@
       writePS("] SC\n");
     }
     break;
+  case psLevel1Sep:
   case psLevel2Sep:
   case psLevel3Sep:
-    if (state->getStrokeColorSpace()->getMode() == csSeparation) {
+    if (state->getStrokeColorSpace()->getMode() == csSeparation && (level > psLevel1Sep || getPassLevel1CustomColor())) {
       sepCS = (GfxSeparationColorSpace *)state->getStrokeColorSpace();
       color.c[0] = gfxColorComp1;
       sepCS->getCMYK(&color, &cmyk);
@@ -5882,7 +5868,11 @@
 
   // color space
   if (colorMap) {
-    dumpColorSpaceL2(colorMap->getColorSpace(), gFalse, gTrue, gFalse);
+    // Do not update the process color list for custom colors
+    GBool isCustomColor =
+      (level == psLevel1Sep || level == psLevel2Sep || level == psLevel3Sep) &&
+      colorMap->getColorSpace()->getMode() == csDeviceN;
+    dumpColorSpaceL2(colorMap->getColorSpace(), gFalse, !isCustomColor, gFalse);
     writePS(" setcolorspace\n");
   }
 
@@ -6281,7 +6271,11 @@
 
   // color space
   if (colorMap) {
-    dumpColorSpaceL2(colorMap->getColorSpace(), gFalse, gTrue, gFalse);
+    // Do not update the process color list for custom colors
+    GBool isCustomColor =
+      (level == psLevel1Sep || level == psLevel2Sep || level == psLevel3Sep) &&
+      colorMap->getColorSpace()->getMode() == csDeviceN;
+    dumpColorSpaceL2(colorMap->getColorSpace(), gFalse, !isCustomColor, gFalse);
     writePS(" setcolorspace\n");
   }
 
--- poppler-0.46.0-sep/poppler/PSOutputDev.h-	2016-05-01 17:08:03.000000000 -0500
+++ poppler-0.46.0-sep/poppler/PSOutputDev.h	2016-08-01 14:20:49.412864971 -0500
@@ -320,6 +320,7 @@
   GBool getEmbedCIDTrueType() const { return embedCIDTrueType; }
   GBool getFontPassthrough() const { return fontPassthrough; }
   GBool getOptimizeColorSpace() const { return optimizeColorSpace; }
+  GBool getPassLevel1CustomColor() const { return passLevel1CustomColor; }
   GBool getEnableLZW() const { return enableLZW; };
   GBool getEnableFlate() const
 #if ENABLE_ZLIB
@@ -333,6 +334,7 @@
   void setEmbedCIDTrueType(GBool b) { embedCIDTrueType = b; }
   void setFontPassthrough(GBool b) { fontPassthrough = b; }
   void setOptimizeColorSpace(GBool b) { optimizeColorSpace = b; }
+  void setPassLevel1CustomColor(GBool b) { passLevel1CustomColor = b; }
   void setPreloadImagesForms(GBool b) { preloadImagesForms = b; }
   void setGenerateOPI(GBool b) { generateOPI = b; }
   void setUseASCIIHex(GBool b) { useASCIIHex = b; }
@@ -536,6 +538,9 @@
   GBool fontPassthrough;	// pass all fonts through as-is?
   GBool optimizeColorSpace;	// false to keep gray RGB images in their original color space
 				// true to optimize gray images to DeviceGray color space
+  GBool passLevel1CustomColor;	// false to convert all custom colors to CMYK
+				// true to pass custom colors
+				// has effect only when doing a level1sep
   GBool preloadImagesForms;	// preload PostScript images and forms into
 				//   memory
   GBool generateOPI;		// generate PostScript OPI comments?
--- poppler-0.46.0-sep/utils/pdftops.cc-	2016-05-01 17:08:04.000000000 -0500
+++ poppler-0.46.0-sep/utils/pdftops.cc	2016-08-01 18:17:34.153444490 -0500
@@ -96,6 +96,7 @@
 static GBool noEmbedCIDTTFonts = gFalse;
 static GBool fontPassthrough = gFalse;
 static GBool optimizeColorSpace = gFalse;
+static GBool passLevel1CustomColor = gFalse;
 static char rasterAntialiasStr[16] = "";
 static GBool preload = gFalse;
 static char paperSize[15] = "";
@@ -160,6 +161,8 @@
    "enable anti-aliasing on rasterization: yes, no"},
   {"-optimizecolorspace",  argFlag,        &optimizeColorSpace,0,
    "convert gray RGB images to gray color space"},
+  {"-passlevel1customcolor", argFlag,      &passLevel1CustomColor, 0,
+   "pass custom color in level1sep"},
   {"-preload",    argFlag,     &preload,        0,
    "preload images and forms"},
   {"-paper",      argString,   paperSize,       sizeof(paperSize),
@@ -407,6 +410,7 @@
   psOut->setFontPassthrough(fontPassthrough);
   psOut->setPreloadImagesForms(preload);
   psOut->setOptimizeColorSpace(optimizeColorSpace);
+  psOut->setPassLevel1CustomColor(passLevel1CustomColor);
 #if OPI_SUPPORT
   psOut->setGenerateOPI(doOPI);
 #endif