Increase gamma of dvipng to 2.

diff --git a/tex4ht.env b/tex4ht.env
index cd55ba580ffb6991e56e6d6e9a3458376abd4813..7b7a1a157a6205c7cba6e16a13ab804a30afd7ce 100644 (file)
--- a/tex4ht.env
+++ b/tex4ht.env
@@ -196,9 +196,9 @@ Grm temp.ppm
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  <dvipng>
 G.png
-Gdvipng -T tight -D 166 -bg Transparent -pp %%2:%%2 %%1 -o %%3
+Gdvipng -T tight -D 167 -gamma 2 -bg Transparent -pp %%2:%%2 %%1 -o %%3
 G.gif
-Gdvipng -T tight -D 166 -bg Transparent -gif -pp %%2:%%2 %%1 -o %%3
+Gdvipng -T tight -D 167 -gamma 2 -bg Transparent -gif -pp %%2:%%2 %%1 -o %%3
 G.
 Gdvips -Ppdf -mode ibmvga -D 110 -f %%1 -pp %%2 > zz%%4.ps
 Gconvert -crop 0x0 -density 110x110 -transparent '#FFFFFF' zz%%4.ps %%3