Dear ConTeXt folks, using ConTeXt Standalone from today $ context --version mtx-context | ConTeXt Process Management 0.60 mtx-context | mtx-context | main context file: /srv/filme/context/tex/texmf-context/tex/context/base/context.mkiv mtx-context | current version: 2012.08.16 22:20 trying to process `letter-15.tex` from Wolfgang’s example archive `letter-examples.zip` [1] I get the following error. $ context letter-15.tex […] resolvers > modules > loaded: 'letter' (../opt/context/tex/texmf-modules/tex/context/third/letter/base/s-cor-01.mkvi resolvers > modules > loaded: 'cor-00' (../opt/context/tex/texmf-modules/tex/context/third/letter/base/s-cor-00.mkvi<+ /opt/context/tex/texmf-modules/tex/context/third/letter/base/s-cor-00.lua>) (/opt/context/tex/texmf-modules/tex/context/third/letter/style/letter-imp-default.mkiv) (/opt/context/tex/texmf-modules/tex/context/third/letter/style/letter-imp-dinb.mkiv (/opt/context/tex/texmf-modules/tex/context/third/letter/style/letter-imp-default.mkiv))) ! Undefined control sequence. system > tex > error on line 3 in file letter-15.tex: Undefined control sequence ... 1 \usemodule[letter] 2 3 >> \useletterextension[addrentry] 4 \useaddressfile[hobbits] 5 6 \starttext 7 8 \startletter 9 [subject={Grund des Anschreibens}, 10 opening={Sehr geehrte Damen und Herren,}, 11 closing={Mit freundlichen Gr\uumlaut\ssharp en}] 12 [TOM] 13 \dorecurse{3}{\input knuth\par} l.3 \useletterextension [addrentry] ? ! Emergency stop. […] Removing these lines makes the process complete but of course without the address entry. Thanks, Paul PS: Additionally, I did not find the manual I thought existed at least a year ago. [1] https://sites.google.com/site/wolfgangschuster/letter-examples.zip