Discussion: API consistency - language parameter defaults

[dshkol]

Summary

The language parameter has inconsistent defaults across functions.

Current State

• R/cansim.R:422 uses language="english"
• R/cansim.R:956 uses language="en"
• R/cansim.R:1035 uses language="en"

Proposal

Standardize all defaults to "english" for consistency.

Potential Breaking Change

Users who rely on the current behavior with "en" might be affected, though the internal code likely handles both.

Questions

• Is standardizing to "english" acceptable?
• Should we add parameter validation to reject invalid values?
• How strict should validation be?

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From code audit - potentially breaking change for edge cases