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Feature/tab completion columns #144

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Merged
mitchpaulus merged 2 commits into from
Jan 31, 2026
Merged

Feature/tab completion columns #144

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9dba90a
Add dynamic completion columns
mitchpaulus Jan 31, 2026
9430385
Add arrow key functionality to tab completion
mitchpaulus Jan 31, 2026
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2 changes: 2 additions & 0 deletions doc/mshell.md
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Expand Up @@ -11,6 +11,8 @@ History search is prefix-based and case-insensitive. The prefix is whatever is c
- Shift-Tab: cycle completion backward when matches are active
- Ctrl-N/Ctrl-P: when cycling completions, move forward/backward through matches

Completion results render in one or two columns based on available rows. If the list still doesn't fit, the final line shows `[n] more items..`.

### Definition-based completions

The CLI can use definition metadata to provide argument completions for binaries. Add a `complete` key in the metadata dictionary of a `def` to register it for one or more command names. The definition is invoked with a clean stack containing a single list of argument tokens (excluding the binary name and the current prefix), and it should return a list of strings.
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