Nelson's Weblog: tech / smaller xml icon

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I hide under my computer while the world falls down around me.

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Wed 2024-11-20

Francis Williams painting

The Platonic Blow

Tue 2024-11-19

Bantam Tools Artframe

Using OSM vector tiles

Starlink sold out

Fine-tuning LLMs at home

Bluesky starter packs

Mon 2024-11-18

Sun 2024-11-17

Love, Acceptance, and Screeching Modems

Voyager 1 backup radio

Usenet feed growth

Methane mapping

City99 console font

Sat 2024-11-16

Lorraine Gervais

Justin's Linklog

Thune 2004 blog campaign

Fri 2024-11-15

Open source garage door

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Nelson Minar
nelson@monkey.org

Blog licensed under a Creative Commons License

Smaller XML Icon

Save bits! The standard XML gif folks use is 429 bytes. My 32 colour version is only 307 bytes, but looks the same. The images on the right show the original, mine, and the differences. Probably all a wash given HTTP overhead, but why not avoid wasting bits?

Props to Jef Poskanzer for the pbmplus tools: 13 year old command line tools, still the best way to edit images.

pnmarith -difference xml-orig.ppm xml32.ppm | pnminvert | pnmscale 3 | ppmtogif > difference-big.gif

Original

32 Colours

Difference

tech
2003-02-15 19:54 Z