URL: <https://savannah.gnu.org/bugs/?68513>
Summary: [troff] document limit on range of indexed character
indices
Group: GNU roff
Submitter: gbranden
Submitted: Sun 12 Jul 2026 03:22:24 AM UTC
Category: Core
Severity: 3 - Normal
Item Group: Documentation
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Unlocked
Planned Release: None
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Follow-up Comments:
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Date: Sun 12 Jul 2026 03:22:24 AM UTC By: G. Branden Robinson <gbranden>
This is nowhere documented, but the valid range is 0-255.
Since modern fonts can contain many more than 256 glyphs, we might need to
revisit that limit and the underlying implementation, which uses a static
memory allocation.
But for now, document it.
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