path: root/manual/CHAPTER_CellLib.tex
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diff --git a/manual/CHAPTER_CellLib.tex b/manual/CHAPTER_CellLib.tex
index f09c4929..f05c1b7a 100644
--- a/manual/CHAPTER_CellLib.tex
+++ b/manual/CHAPTER_CellLib.tex
@@ -125,10 +125,6 @@ than one bit from \B{S} is set the output is undefined. Cells of this type are u
``parallel cases'' (defined by using the {\tt parallel\_case} attribute or detected by
an optimization).
-The {\tt \$safe\_pmux} behaves similarly to the {\tt \$pmux} cell type. But when more than one bit
-of \B{S} is set, it is guaranteed that this cell type will output the value of the \B{A} input instead of
-an undefined value.
Behavioural code with cascaded {\tt if-then-else}- and {\tt case}-statements
usually results in trees of multiplexer cells. Many passes (from various
optimizations to FSM extraction) heavily depend on these multiplexer trees to