You can use source files that don't exceed these maximum values:
| Macros: | 1000 |
| Length of !macro text value: | 256 |
| Defines: | 128 |
| Length of !define text value: | 256 |
| Hyphens: | 4096 |
| Sum of chapters, labels and aliases: | 32768 |
| Characters per line: | 4092 |
| Characters per word: | 199 |
| Syllables per word: | 32 |
| Words per paragraph: | 800 |
| Links per paragraph: | 200 |
| Rows per table: | 700 |
| Columns per table: | 64 |
| Chars per table cell: | 1000 |
| Depth of environments: | 6 |