update formatted documentation; fix typo in bashline.c; update system-dependent tests

tests/exec.right

@@ -25,16 +25,16 @@ posix-bash: line 1: exec: .: cannot execute: Is a directory
 126
 0
 this is bashenv
-trap -- 'echo EXIT' EXIT
 trap -- '' SIGTERM
 trap -- 'echo USR1' SIGUSR1
+trap -- 'rm -f x.sh x.output ; echo EXIT' EXIT
 USR1
-./exec3.sub: line 38: /tmp/bash-notthere: No such file or directory
+./exec3.sub: line 45: /tmp/bash-notthere: No such file or directory
 ./exec3.sub: ENOENT: after failed exec: 127
-./exec3.sub: line 43: exec: bash-notthere: not found
-trap -- 'echo EXIT' EXIT
+./exec3.sub: line 50: exec: bash-notthere: not found
 trap -- '' SIGTERM
 trap -- 'echo USR1' SIGUSR1
+trap -- 'rm -f x.sh x.output ; echo EXIT' EXIT
 USR1
 EXIT
 ./execscript: line 103: notthere: command not found

tests/exec3.sub

@@ -25,10 +25,17 @@ cd $TDIR || exit 1
 
 shopt -s execfail
 
-trap 'echo EXIT' EXIT 
+trapsort()
+{
+	trap > x.output
+	sort x.output && rm -f x.output
+}
+
+trap 'rm -f x.sh x.output ; echo EXIT' EXIT 
 trap 'echo USR1' USR1
 trap '' TERM
-trap
+
+trapsort
 
 kill -s USR1 $$		# should run the trap
 
@@ -94,7 +101,7 @@ case $string in
 esac
 rm -f x.sh x.output
 
-trap
+trapsort
 kill -s USR1 $$		# should run the trap
 kill -s TERM $$		# should still be ignored
 

tests/printf7.sub

@@ -85,7 +85,5 @@ unset -v VAR
 
 # can't test %s, too many varying implementations
 #printf "%.${TOOBIG}s\n" XY
-printf -v VAR "%.${TOOBIG}s\n" XY
-echo $VAR
-unset -v VAR
+printf_overflow $LINENO "%.${TOOBIG}b\n" XY
 printf_overflow $LINENO "%.${TOOBIG}Q\n" XY

tests/run-execscript

@@ -14,9 +14,6 @@
 
 echo "warning: the text of a system error message may vary between systems and" >&2
 echo "warning: produce diff output." >&2
-echo "warning: UNIX versions number signals differently." >&2
-echo "warning: If output differing only in line numbers is produced, please" >&2
-echo "warning: do not consider this a test failure." >&2
 echo "warning: if the text of the error messages concerning \`notthere' or" >&2
 echo "warning: \`/tmp/bash-notthere' not being found or \`/' being a directory" >&2
 echo "warning: produce diff output, please do not consider this a test failure" >&2