\starttext \startblockquote [w]hile we may [w]hile we may \stopblockquote \stoptext seems to fail with the latest beta (ConTeXt ver: 2016.10.14) unless one replaces the first line with \[w\]hile we may. The error message is tex error > tex error on line 4 in file /Users/bowen1/Desktop/TestTeX/test.tex: ! Missing number, treated as zero <to be read again> w \spac_narrower_method_analyze ...arrower_middle #1 \relax \fi \syst_helpers_repeat_with_command ..._again [#1]#5 \else \syst_helpers_repeat... \17>>1 ..._process_comma_list_with_parameters {#1} \syst_helpers_do_process_c... \syst_helpers_do_process_comma_list ...rgument #1, ]\relax \global \advance \... \spac_narrower_start_apply ...narrower_initialize \advance \leftskip \dimexp... ... l.4 [w]h ile we may 1 \starttext 2 3 \startblockquote 4 >> [w]hile we may 5 6 [w]hile we may 7 8 \stopblockquote 9 10 \stoptext 11 ? Alan