9 files changed, 25 insertions, 0 deletions

diff --git a/doc/context/documents/general/manuals/lowlevel-grouping.pdf b/doc/context/documents/general/manuals/lowlevel-grouping.pdf
index 5439f29e5..a8d103236 100644
--- a/doc/context/documents/general/manuals/lowlevel-grouping.pdf
+++ b/doc/context/documents/general/manuals/lowlevel-grouping.pdf
diff --git a/doc/context/documents/general/qrcs/setup-en.pdf b/doc/context/documents/general/qrcs/setup-en.pdf
index 7950faf9f..f1ee11be3 100644
--- a/doc/context/documents/general/qrcs/setup-en.pdf
+++ b/doc/context/documents/general/qrcs/setup-en.pdf
diff --git a/doc/context/documents/general/qrcs/setup-fr.pdf b/doc/context/documents/general/qrcs/setup-fr.pdf
index 1bae860e4..908d9f916 100644
--- a/doc/context/documents/general/qrcs/setup-fr.pdf
+++ b/doc/context/documents/general/qrcs/setup-fr.pdf
diff --git a/doc/context/documents/general/qrcs/setup-it.pdf b/doc/context/documents/general/qrcs/setup-it.pdf
index 9c2baed48..6f4bf9cf8 100644
--- a/doc/context/documents/general/qrcs/setup-it.pdf
+++ b/doc/context/documents/general/qrcs/setup-it.pdf
diff --git a/doc/context/documents/general/qrcs/setup-mapping-en.pdf b/doc/context/documents/general/qrcs/setup-mapping-en.pdf
index 759035542..8c3046f9b 100644
--- a/doc/context/documents/general/qrcs/setup-mapping-en.pdf
+++ b/doc/context/documents/general/qrcs/setup-mapping-en.pdf
diff --git a/doc/context/documents/general/qrcs/setup-mapping-fr.pdf b/doc/context/documents/general/qrcs/setup-mapping-fr.pdf
index 5438ca5d9..3550ea7ba 100644
--- a/doc/context/documents/general/qrcs/setup-mapping-fr.pdf
+++ b/doc/context/documents/general/qrcs/setup-mapping-fr.pdf
diff --git a/doc/context/documents/general/qrcs/setup-mapping-it.pdf b/doc/context/documents/general/qrcs/setup-mapping-it.pdf
index 9529cef0c..bdaf74432 100644
--- a/doc/context/documents/general/qrcs/setup-mapping-it.pdf
+++ b/doc/context/documents/general/qrcs/setup-mapping-it.pdf
diff --git a/doc/context/sources/general/manuals/lowlevel/lowlevel-expansion.tex b/doc/context/sources/general/manuals/lowlevel/lowlevel-expansion.tex
index 19c5efe12..15faa802d 100644
--- a/doc/context/sources/general/manuals/lowlevel/lowlevel-expansion.tex
+++ b/doc/context/sources/general/manuals/lowlevel/lowlevel-expansion.tex
@@ -453,6 +453,25 @@ And maybe also here:
 % \aftergroups
 % \aftergrouped
 
+And:
+
+\starttyping
+          \def\foo{foo}
+\protected\def\oof{oof}
+
+\csname foo\endcsname
+\csname oof\endcsname
+\csname \foo\endcsname
+% \csname \oof\endcsname % error in luametatex
+
+\ifcsname  foo\endcsname yes\else nop\fi
+\ifcsname  oof\endcsname yes\else nop\fi
+\ifcsname \foo\endcsname yes\else nop\fi
+\ifcsname \oof\endcsname yes\else nop\fi % nop in luametatex
+\stoptyping
+
+\stoptext
+
 \stopsection
 
 \stopdocument
diff --git a/doc/context/sources/general/manuals/lowlevel/lowlevel-security.tex b/doc/context/sources/general/manuals/lowlevel/lowlevel-security.tex
index 4bb0c19d8..4f705e37c 100644
--- a/doc/context/sources/general/manuals/lowlevel/lowlevel-security.tex
+++ b/doc/context/sources/general/manuals/lowlevel/lowlevel-security.tex
@@ -6,6 +6,12 @@
 % (youtube movie) but that doesn't mean I should not aim for perfection. But as
 % with drumming, it takes practising and that is what I did on a subset of sources
 % when writing the engine code.
+%
+% It tooks a few weeks but November 21 2020 the last of the core files was turned
+% \LMTX, not that the work was done (checking to be done (thanks Wolfgang!), imp
+% files to be checked, many \LUA\ files to be updated) but it's a start. This time
+% the musical timestamp is listening to Nikola Cvetkovic (piano) and history
+% podcasts.
 
 \usemodule[system-tokens]