Don't set linktext environment variable if already set

1 files changed, 1 insertions, 1 deletions

diff --git a/em b/em
index be290f7..f2118a3 100755
--- a/em
+++ b/em
@@ -10,7 +10,7 @@ if(~ $#* 0){
 if not
 	file=$1
 
-linktext=link
+if(~ $#linktext 0) linktext=link
 hrefs=`'
 '{aux/emcollect $file}
 for(href in $hrefs){