Fix/improve some comments in buffer.h. (!3390) · Merge requests · ISC Open Source Projects / BIND · GitLab

Ondřej Surý requested to merge 1763-improve-isc_buffer-API-documentation-v9_16 into v9_16 Apr 16, 2020

isc_buffer_dup now cannot fail as a result of c73e5866.

(cherry picked from commit 850d8ae0)

Closes #1763 (closed)