cat_where	cat_where
counter_get	counter
counter_names	counter
counter_reset	counter
counter_state	counter
counter_tags	counter
set_whereami_log	set_whereami_log
thisfile	thisfile
thisfile_knit	thisfile
thisfile_r	thisfile
thisfile_rscript	thisfile
thisfile_source	thisfile
whereami	whereami
