This file is indexed.

/usr/share/zsh/help/break is in zsh-common 5.1.1-1ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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break [ n ]
       Exit from an enclosing for, while, until, select or repeat loop.
       If an arithmetic expression n is specified, then break n  levels
       instead of just one.