Copy verbatim runs in the plaintext renderer, 2x faster parse + plaintext - #397

Copy verbatim runs in the plaintext renderer, 2x faster parse + plaintext#397

czj wants to merge 2 commits into

github:mastergithub/cmark-gfm:masterfrom

czj:perf/plaintext-verbatim-runs-upstreamczj/cmarkly:perf/plaintext-verbatim-runs-upstreamCopy head branch name to clipboard