Hi, there are missing \bgroup (and one \aftergroup) on line 793 and 810 in typo-del.mkiv: \def\typo_delimited_attributed {\dontleavehmode \begingroup \dostarttaggedchained\t!delimited\currentdelimitedtext\??delimitedtext \usedelimitedtextstyleandcolor\c!style\c!color \typo_delimited_start_content + \bgroup + \aftergroup\typo_delimited_attributed_e - \typo_delimited_attributed_e \let\next=} \def\typo_delimited_attributed_e {\typo_delimited_stop_content \dostoptagged \typo_delimited_pop \endgroup} \def\typo_delimited_fontdriven {\dontleavehmode \begingroup \dostarttaggedchained\t!delimited\currentdelimitedtext\??delimitedtext \usedlanguageparameter{\c!left\currentparentdelimitedtext}% was: \currentdelimitedtext \usedelimitedtextstyleandcolor\c!style\c!color \typo_delimited_start_content + \bgroup \aftergroup\typo_delimited_fontdriven_e \let\next=} \def\typo_delimited_fontdriven_e {\typo_delimited_stop_content \usedlanguageparameter{\c!right\currentparentdelimitedtext}% was: \currentdelimitedtext \dostoptagged \typo_delimited_pop \endgroup} Wolfgang