The require-when ensures that the prettyprint methods are loaded when both the compiler and prettyprint is loaded.  | 
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| .. | ||
| clearing | ||
| finalize | ||
| global | ||
| height | ||
| local | ||
| padding | ||
| vacant | ||
| authors.txt | ||
| stacks-docs.factor | ||
| stacks-tests.factor | ||
| stacks.factor | ||
| summary.txt | ||