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-rw-r--r--src/interp/br-util.boot2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/interp/br-util.boot b/src/interp/br-util.boot
index c20e5d23..acc4ed9a 100644
--- a/src/interp/br-util.boot
+++ b/src/interp/br-util.boot
@@ -415,7 +415,7 @@ bcConPredTable(u,conname,:options) ==
htEndTable()
bcPred(pred,:options) ==
- pred = '"" or pred = true or null pred => 'skip
+ pred is true or pred = nil => 'skip
italicList := IFCAR options
if not IFCAR IFCDR options then htSay '" {\em if} "
htPred2English(pred,italicList)