Use full length($0) rather than just length

The latter is allowed by POSIX, but not historically accepted everywhere
and the former being explicit is more readable anyway

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/unf.awk b/bin/unf.awk
index a9837a8a..ac6172f7 100644
--- a/bin/unf.awk
+++ b/bin/unf.awk
@@ -8,7 +8,7 @@ function wrbuf() {
 }
 
 # Flag to stop processing once we hit the first blank line
-!length {
+!length($0) {
     wrbuf() 
     body = 1
 }