lukasandClaude Opus 5.5 f44c7b9e7c Readable white-on-white mail; forwards carry the original's header
A message written in a dark-mode mail app (or pasted from a dark page) can
set all its text white with no background — invisible on the reading pane's
white page. After a message renders, text whose colour is practically the
colour behind it gets the pane's normal text colour, when a good part of the
message (30% of its text) is invisible. Text hidden on purpose — a help
desk's white ticket reference, a newsletter's hidden preview line — stays
hidden; white on dark, coloured or pictured backgrounds is left as designed
(lib/readability.ts, with tests). The check runs before the quote is folded.

A forward quoted the original under the reply's one line ("On …, Name
wrote:"), without the sender's address. It now opens with the usual block:
Forwarded message, From (name and address), Date, Subject, To, Cc.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-08 21:36:47 +02:00
S
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