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-rw-r--r--converter/other/pamtopng.c4
-rw-r--r--converter/other/pnmtopng.c4
-rw-r--r--doc/HISTORY6
3 files changed, 10 insertions, 4 deletions
diff --git a/converter/other/pamtopng.c b/converter/other/pamtopng.c
index b61ab17b..088db3c8 100644
--- a/converter/other/pamtopng.c
+++ b/converter/other/pamtopng.c
@@ -84,9 +84,9 @@ parseChromaOpt(const char *         const chromaOpt,
                    &chromaP->gx, &chromaP->gy,
                    &chromaP->bx, &chromaP->by);
 
-    if (count != 6)
+    if (count != 8)
         pm_error("Invalid syntax for the -rgb option value '%s'.  "
-                 "Should be 6 floating point number: "
+                 "Should be 8 floating point numbers: "
                  "x and y for each of white, red, green, and blue",
                  chromaOpt);
 }
diff --git a/converter/other/pnmtopng.c b/converter/other/pnmtopng.c
index 23bd7d66..2230d226 100644
--- a/converter/other/pnmtopng.c
+++ b/converter/other/pnmtopng.c
@@ -187,9 +187,9 @@ parseRgbOpt(const char *         const rgbOpt,
                    &rgbP->gx, &rgbP->gy,
                    &rgbP->bx, &rgbP->by);
 
-    if (count != 6)
+    if (count != 8)
         pm_error("Invalid syntax for the -rgb option value '%s'.  "
-                 "Should be 6 floating point number: "
+                 "Should be 8 floating point numbers: "
                  "x and y for each of white, red, green, and blue",
                  rgbOpt);
 }
diff --git a/doc/HISTORY b/doc/HISTORY
index 40b35ba3..f57fcb3a 100644
--- a/doc/HISTORY
+++ b/doc/HISTORY
@@ -10,6 +10,12 @@ not yet  BJH  Release 11.02.00
 
               pcdovtoppm: remove dependency on obsolete 'tempfile' program.
 
+              pamtopng: fix -chroma option: always rejected.  Always broken.
+              pamtopng was new in Netpbm 10.70 (June 2015).
+
+              pnmtopng: fix -rgb option: always rejected.  Always broken
+              -rgb was new in Netpbm 10.30 (October 2005).
+
               build: change the way you add the separately distributed
               'hpcdtoppm' code to the build.