1.1 --- a/src/Tools/isac/MathEngBasic/rewrite.sml	Wed Aug 03 17:18:47 2022 +0200
     1.2 +++ b/src/Tools/isac/MathEngBasic/rewrite.sml	Wed Aug 03 18:06:02 2022 +0200
     1.3 @@ -50,7 +50,7 @@
     1.4  
     1.5  exception NO_REWRITE;
     1.6  
     1.7 -(* depth of recursion in traces of the rewriter, if trace_on:=true *)
     1.8 +(* depth of recursion in traces of the rewriter, if trace_on = true *)
     1.9  val rewrite_trace_depth = Attrib.setup_config_int \<^binding>\<open>rewrite_trace_depth\<close> (K 99999);
    1.10  
    1.11  fun trace ctxt i str =