some minor gfx changes

some minor tex changes

tex/gfx/eval/paths.eps

@@ -1,7 +1,7 @@
 %!PS-Adobe-2.0 EPSF-2.0
 %%Title: paths.tex
 %%Creator: gnuplot 5.0 patchlevel 1
-%%CreationDate: Sun Feb 21 19:48:40 2016
+%%CreationDate: Tue Feb 23 14:42:32 2016
 %%DocumentFonts: 
 %%BoundingBox: 50 50 302 230
 %%EndComments
@@ -441,7 +441,7 @@ SDict begin [
   /Author (kazu)
 %  /Producer (gnuplot)
 %  /Keywords ()
-  /CreationDate (Sun Feb 21 19:48:40 2016)
+  /CreationDate (Tue Feb 23 14:42:32 2016)
   /DOCINFO pdfmark
 end
 } ifelse
@@ -4513,11 +4513,9 @@ LC2 setrgbcolor
 70 -23 V
 stroke
 LCb setrgbcolor
-3.000 UL
+1.500 UL
 LTb
-LT2
-LC2 setrgbcolor
-0.00 0.00 0.00 C 628 2671 M
+0.65 0.16 0.16 C 628 2671 M
 543 253 V
 270 126 V
 186 21 V
@@ -4534,7 +4532,7 @@ stroke
 LCb setrgbcolor
 1.500 UL
 LTb
-0.60 0.00 0.00 C 1968 1175 M
+0.60 0.00 0.47 C 1968 1175 M
 74 -25 V
 201 94 V
 198 324 V
@@ -4555,7 +4553,7 @@ stroke
 LCb setrgbcolor
 1.500 UL
 LTb
-0.00 0.00 0.60 C 1068 3213 M
+0.00 0.73 0.73 C 1068 3213 M
 384 -125 V
 186 21 V
 173 -268 V
@@ -4572,9 +4570,11 @@ LTb
 195 0 V
 stroke
 LCb setrgbcolor
-1.500 UL
+3.000 UL
 LTb
-0.00 0.60 0.00 C 570 2690 M
+LT2
+LC2 setrgbcolor
+0.00 0.00 0.00 C 570 2690 M
 543 253 V
 270 126 V
 541 251 V
@@ -7489,29 +7489,29 @@ LCb setrgbcolor
 LT2
 LC2 setrgbcolor
 0.67 0.67 0.67 C LCb setrgbcolor
+1.500 UL
+LTb
+0.65 0.16 0.16 C 882 970 M
+195 0 V
+stroke
+LCb setrgbcolor
+1.500 UL
+LTb
+0.60 0.00 0.47 C 882 750 M
+195 0 V
+stroke
+LCb setrgbcolor
+1.500 UL
+LTb
+0.00 0.73 0.73 C 882 530 M
+195 0 V
+stroke
+LCb setrgbcolor
 3.000 UL
 LTb
 LT2
 LC2 setrgbcolor
-0.00 0.00 0.00 C 882 970 M
-195 0 V
-stroke
-LCb setrgbcolor
-1.500 UL
-LTb
-0.60 0.00 0.00 C 882 750 M
-195 0 V
-stroke
-LCb setrgbcolor
-1.500 UL
-LTb
-0.00 0.00 0.60 C 882 530 M
-195 0 V
-stroke
-LCb setrgbcolor
-1.500 UL
-LTb
-0.00 0.60 0.00 C 882 310 M
+0.00 0.00 0.00 C 882 310 M
 195 0 V
 1.000 UP
 stroke