add $plan9 variable
diff --git a/plumb/basic b/plumb/basic
index 464b954..4edd432 100644
--- a/plumb/basic
+++ b/plumb/basic
@@ -58,7 +58,7 @@
data matches '([a-zA-Z¡-0-9_\-./]+)\.(jpe?g|JPE?G|gif|GIF|tiff?|TIFF?|ppm|bit|png|PNG)'
arg isfile $0
plumb to image
-plumb start qiv -t $file
+plumb start page $file
# postscript/pdf/dvi go to page but not over the a plumb port
# the port is here for reference but is unused
@@ -67,8 +67,7 @@
data matches '([a-zA-Z¡-0-9_\-./]+)\.(ps|PS|eps|EPS|pdf|PDF|dvi|DVI)'
arg isfile $0
plumb to postscript
-plumb start psv $file
-# plumb start page -w $file
+plumb start page $file
# open office - s[xt][cdigmw], doc, xls, ppt
data matches '[a-zA-Z¡-0-9_\-./]+'
@@ -104,10 +103,10 @@
plumb to edit
plumb client $editor
-# .h files are looked up in /usr/local/plan9/include and passed to edit
+# .h files are looked up in $plan9/include and passed to edit
type is text
data matches '([a-zA-Z¡-0-9]+\.h)('$addr')?'
-arg isfile /usr/local/plan9/include/$1
+arg isfile $plan9/include/$1
data set $file
attr add addr=$3
plumb to edit
@@ -138,9 +137,9 @@
dst is image
arg isfile $data
plumb to image
-plumb start qiv -t $data
+plumb start page $data
# start rule for postscript without known suffixes
dst is postscript
arg isfile $data
-plumb start gv $data
+plumb start page $data