| <!ELEMENT billion (#PCDATA)> |
| <!ENTITY % laugh0 "<!-- Ha ! -->"> |
| <!ENTITY % laugh1 "%laugh0;%laugh0;"> |
| <!ENTITY % laugh2 "%laugh1;%laugh1;"> |
| <!ENTITY % laugh3 "%laugh2;%laugh2;"> |
| <!ENTITY % laugh4 "%laugh3;%laugh3;"> |
| <!ENTITY % laugh5 "%laugh4;%laugh4;"> |
| <!ENTITY % laugh6 "%laugh5;%laugh5;"> |
| <!ENTITY % laugh7 "%laugh6;%laugh6;"> |
| <!ENTITY % laugh8 "%laugh7;%laugh7;"> |
| <!ENTITY % laugh9 "%laugh8;%laugh8;"> |
| <!ENTITY % laugh10 "%laugh9;%laugh9;"> |
| <!ENTITY % laugh11 |
| "%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;%laugh10;"> |
| <!ENTITY % laugh12 |
| "%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;%laugh11;"> |
| <!ENTITY % laugh13 |
| "%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;%laugh12;"> |
| %laugh13; |
| |