doc-src/Tutorial/Misc/Itrev.thy

added 'declare' command;
moved tactic emulations;
tuned;
renamed "res_inst_tac' etc. to 'rule_tac' etc.;
tuned;

Itrev = Main +
consts itrev :: 'a list => 'a list => 'a list
primrec
"itrev []     ys = ys"
"itrev (x#xs) ys = itrev xs (x#ys)"
end