diff --git a/reporting/md-color b/reporting/md-color
index 78abc7f..b06a060 100755
--- a/reporting/md-color
+++ b/reporting/md-color
@@ -19,6 +19,7 @@ function helpexit() {
 # <> tags
 # [ ] check list (unofficial)
 # [x] check list (unofficial)
+# $> $! unofficial colors for executable code blocks
 # Color codes
 
 export HB_RULES='"\[[^]]\+\]([^)]\+)" "$U$B" \
@@ -32,6 +33,7 @@ export HB_RULES='"\[[^]]\+\]([^)]\+)" "$U$B" \
 "<[^>]\+>" "$K" \
 "^\s*\[\s]\s.*" "$y" \
 "^\s*\[x]\s.*" "$Y" \
+"\$[>!].*\$[>!]" "$c" \
 "\${R}.*" "$R" \
 "\${G}.*" "$G" \
 "\${B}.*" "$B" \
@@ -52,5 +54,5 @@ export HB_RULES='"\[[^]]\+\]([^)]\+)" "$U$B" \
 "\${Z}.*" "$Z" \
 '
 
-cat "$@" | highbeam -c | sed 's,\${[RGBCMYrgbcmykKwWU]},,g'
+cat "$@" | highbeam -c | sed 's,\${[RGBCMYrgbcmykKwWUZ]},,g'
 
diff --git a/reporting/src2ans b/reporting/src2ans
index 314ff5b..5209a8f 100755
--- a/reporting/src2ans
+++ b/reporting/src2ans
@@ -87,6 +87,8 @@ Special syntaxes:
     parser.add_argument("-v","--version",action="version",version=__version__)
     parser.add_argument("--no-color","-n",action="store_false",dest="color",default=True,
                      help="Disable color.")
+    parser.add_argument("-z",action="store_true",dest="zero",default=False,
+                     help="Reset coloring at the end of each line.")
     parser.add_argument("filename",type=str, 
                      help="File to show")
     opts=parser.parse_args()
@@ -104,6 +106,8 @@ for row in f:
     else:
         colored=bc.nocolor_string(row)
     sys.stdout.write(colored.encode('utf-8'))
+    if opts.zero:
+        sys.stdout.write(bc.Z)
     sys.stdout.write("\n")