update http links

- prefer https

- metadataworkinggroup.org/com seem to be offline; the web archive link
  was obtained from exiftool: https://exiftool.org/TagNames/MWG.html

- fix kramdown link, rubyforge has been gone a long time

- fix png/zlib links

Bug: webp:544
Bug: b/202302177
Change-Id: Id69de4553e7baf00393f12a2c1acb262443a1a93
This commit is contained in:
James Zern
2021-11-17 11:16:58 -08:00
parent 8f5cb4c18e
commit b6f756e82b
25 changed files with 52 additions and 52 deletions

View File

@ -161,7 +161,7 @@ static void SetBitDepths(const HuffmanTree* const tree,
// especially when population counts are longer than 2**tree_limit, but
// we are not planning to use this with extremely long blocks.
//
// See http://en.wikipedia.org/wiki/Huffman_coding
// See https://en.wikipedia.org/wiki/Huffman_coding
static void GenerateOptimalTree(const uint32_t* const histogram,
int histogram_size,
HuffmanTree* tree, int tree_depth_limit,