Temporarily remove the link to `Drop::drop`

Synchronize TrplNote name

Update to mdbook 0.5

Update ch07-02-defining-modules-to-control-scope-and-privacy.md

use AND for search terms

Consistently use let...else

Merge branch 'main' into fix-typo-17-02

Change the hypothetical rand version number to be actually hypothetical

Update listing caption to match what's ending up in print

Fix minor style inconsistency

Merge remote-tracking branch 'origin/pr/4564'

Remove unnecessary adjective

Fix confusing sentence about let else

Fix confusing sentence about let else

Update to Rust 1.90