'changed' = 'to this';
'{[a-d]} {abcd}' < '{1}' &(1,a);
'&(a)* {[a-d]*}'='&(a-)', &(1,b), &(2,a);
'^#(a+)#(b+)#(c+)$' = '#(a)#(b)#(c)', #(a=1);
'{[0-9]}* ?*' wipe out everything after the number < '{1}';
'a' &(a=1) #(a=1) #(a,1) < 'b' &(a:a to b:);
'a to b?' < '\'&(a) #(a)\'\;';
'[~1-3Q-R\&\#\{]' = '/skip this/\&\#\{';
'\#define,{[a-b]*},{[c-d]*}' = /
/ '%MACRO \'{1}\'=\'{2}\'\;';
