…
..
comments
conditionals
default_names
double_colon
echoing
errors
escape
export
include
mult_rules
mult_targets
order_only
override
parallelism
patspecific_vars
patternrules
quoting
recursion
reinvoke
se_explicit
se_implicit
se_statpat
statipattrules
targetvars
varnesting
vpath
vpath2
vpathgpath
vpathplus