Talk:Code page 1057

Computing Low‑importance

	This article is within the scope of WikiProject Computing, a collaborative effort to improve the coverage of computers, computing, and information technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ComputingWikipedia:WikiProject ComputingTemplate:WikiProject ComputingComputing articles
Low	This article has been rated as Low-importance on the project's importance scale.

Computer science Low‑importance

This article is within the scope of WikiProject Computer science, a collaborative effort to improve the coverage of Computer science related articles on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Computer scienceWikipedia:WikiProject Computer scienceTemplate:WikiProject Computer scienceComputer science articles

Low

This article has been rated as Low-importance on the project's importance scale.

Things you can help WikiProject Computer science with:

Here are some tasks awaiting attention:

Article requests :
- Requested articles/Applied arts and sciences/Computer science, computing, and Internet
Cleanup :
- Computer science articles needing attention
- Computer science articles needing expert attention
Copyedit :
- Computing
Expand :
- Computer science
Infobox :
- Computer science articles without infoboxes
Maintain :
- Timeline of computing 2020–present
Photo :
- Find pictures for the biographies of computer scientists (see List of computer scientists)
- Computing articles needing images
Stubs :
- Computer science stubs
Unreferenced :
- WikiProject Computer science/Unreferenced BLPs
Project-related :
- Tag all relevant articles in Category:Computer science and sub-categories with {{WikiProject Computer science}}

Typography Low‑importance

	This article is within the scope of WikiProject Typography, a collaborative effort to improve the coverage of articles related to Typography on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TypographyWikipedia:WikiProject TypographyTemplate:WikiProject TypographyTypography articles
Low	This article has been rated as Low-importance on the importance scale.

Why does this redirect to Symbol?

IBM's code chart for CP01057 is basically the same as CP437 (for comparison), except with ▒ rather than ⌂ as the 0x7F graphic (sure, that means it's encoded both as a control replacement and as a regular character, but that's no different to ¶ in CP850). In whichever case, it isn't Symbol.

Compare IBM's code chart for CP01038 which is Symbol (which Code page 1038 correctly redirects to).

--HarJIT (talk) 11:18, 30 January 2019 (UTC)[reply]

Closer cross-comparison of the charts shows, compared to CP437:

ŋ η in place of ⁿ (probably the biggest one)
˜ in place of ~ (as differentiated by the same two codes in e.g. the chart for CP1252).
ˆ in place of ^ (ditto)
β in place of ß
˚ (SD270000, defined e.g. here as Overcircle Accent) in place of ° (SM190000 Degree Symbol)

Most of the changes (except the ˜) appear to be shared with the next code page CP1038, which appears to have also made some more significant changes.

-- HarJIT (talk) 11:40, 30 January 2019 (UTC)[reply]

Okay, I've created a stub over the former redirect, for the time being. --HarJIT (talk) 13:33, 30 January 2019 (UTC)[reply]

---

Further detail about difference from 437 which I'm just noting here for future reference:

The GCGID given for the ASCII vertical bar is different, although (unlike the other minor changes) I'm not sure if this corresponds to a different Unicode code point: it's given as SF660000, i.e. the same as [1] 0x85 in Code page 310, although it probably isn't supposed to be mapped to U+2502 (since that's at 0xB3 (SF110000) in both this one and 437)). --HarJIT (talk) 20:52, 30 October 2019 (UTC)[reply]