implementation of printf '%N$' numbered argument conversion specifier, compatible with coreutils

doc/bashref.bts

@@ -56,7 +56,7 @@
 \entry{\code {pushd}}{113}
 \entry{\code {pwd}}{56}
 \initial {R}
-\entry{\code {read}}{69}
+\entry{\code {read}}{70}
 \entry{\code {readarray}}{71}
 \entry{\code {readonly}}{56}
 \entry{\code {return}}{57}
@@ -64,19 +64,19 @@
 \entry{\code {set}}{74}
 \entry{\code {shift}}{57}
 \entry{\code {shopt}}{78}
-\entry{\code {source}}{71}
+\entry{\code {source}}{72}
 \entry{\code {suspend}}{128}
 \initial {T}
 \entry{\code {test}}{57}
 \entry{\code {times}}{59}
 \entry{\code {trap}}{59}
 \entry{\code {true}}{60}
-\entry{\code {type}}{71}
+\entry{\code {type}}{72}
 \entry{\code {typeset}}{72}
 \initial {U}
 \entry{\code {ulimit}}{72}
 \entry{\code {umask}}{60}
-\entry{\code {unalias}}{73}
+\entry{\code {unalias}}{74}
 \entry{\code {unset}}{61}
 \initial {W}
 \entry{\code {wait}}{128}