Very nice, thanks! From visual inspection, LGTM, with only minor nits.
https://codereview.appspot.com/567340043/diff/565730043/scripts/build/fix-docsize.sh File scripts/build/fix-docsize.sh (right): https://codereview.appspot.com/567340043/diff/565730043/scripts/build/fix-docsize.sh#newcode37 scripts/build/fix-docsize.sh:37: sed -n 's|^\./||;1h;1!H;${x;/\n/{s/^/{/;s/\n/,/g;s/$/}/};p}')" >&2 I think you can increase the readablity of the sed command if you use more than a single line for the series of commands. Additionally, according to the autoconf info manual, you shouldn't combine '!' and ';' – I guess that modern sed implementations are not affected, but... https://codereview.appspot.com/567340043/diff/565730043/scripts/build/fix-docsize.sh#newcode50 scripts/build/fix-docsize.sh:50: sed 's/^[ ]*\([^ ]*\)[ ]*\([^ ]*\)[ ]*$/\/<!-- file-size:\/s|<!-- file-size:\\([^>]*\\)href="\2"\\([^>]*\\)-->|\\1\1\\2|/') What about putting the 's|...|...|' into a separate line? https://codereview.appspot.com/567340043/
