{"action":"created","issue":{"url":"https://api.github.com/repos/Khan/KaTeX/issues/1282","repository_url":"https://api.github.com/repos/Khan/KaTeX","labels_url":"https://api.github.com/repos/Khan/KaTeX/issues/1282/labels{/name}","comments_url":"https://api.github.com/repos/Khan/KaTeX/issues/1282/comments","events_url":"https://api.github.com/repos/Khan/KaTeX/issues/1282/events","html_url":"https://github.com/Khan/KaTeX/issues/1282","id":319404392,"number":1282,"title":"support for non-LaTeX greek symbols","user":{"login":"pzinn","id":4632711,"avatar_url":"https://avatars1.githubusercontent.com/u/4632711?v=4","gravatar_id":"","url":"https://api.github.com/users/pzinn","html_url":"https://github.com/pzinn","followers_url":"https://api.github.com/users/pzinn/followers","following_url":"https://api.github.com/users/pzinn/following{/other_user}","gists_url":"https://api.github.com/users/pzinn/gists{/gist_id}","starred_url":"https://api.github.com/users/pzinn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pzinn/subscriptions","organizations_url":"https://api.github.com/users/pzinn/orgs","repos_url":"https://api.github.com/users/pzinn/repos","events_url":"https://api.github.com/users/pzinn/events{/privacy}","received_events_url":"https://api.github.com/users/pzinn/received_events","type":"User","site_admin":false},"labels":[{"id":227305263,"url":"https://api.github.com/repos/Khan/KaTeX/labels/Unicode","name":"Unicode","color":"fef2c0","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":8,"created_at":"2018-05-02T04:14:06Z","updated_at":"2018-05-03T12:25:42Z","closed_at":"2018-05-02T18:29:58Z","author_association":"NONE","body":"Currently, greek letters can be input either as TeX (e.g., \\alpha) or directly as unicode (\\u03b1), but in both cases *only if they're defined in TeX*. Is there any reason to forbid greek letters that TeX didn't define, e.g., capital Eta? They could still be input as e.g. \\u0397. The change to symbols.js would be minimal."},"comment":{"url":"https://api.github.com/repos/Khan/KaTeX/issues/comments/386278036","html_url":"https://github.com/Khan/KaTeX/issues/1282#issuecomment-386278036","issue_url":"https://api.github.com/repos/Khan/KaTeX/issues/1282","id":386278036,"user":{"login":"edemaine","id":2218736,"avatar_url":"https://avatars1.githubusercontent.com/u/2218736?v=4","gravatar_id":"","url":"https://api.github.com/users/edemaine","html_url":"https://github.com/edemaine","followers_url":"https://api.github.com/users/edemaine/followers","following_url":"https://api.github.com/users/edemaine/following{/other_user}","gists_url":"https://api.github.com/users/edemaine/gists{/gist_id}","starred_url":"https://api.github.com/users/edemaine/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/edemaine/subscriptions","organizations_url":"https://api.github.com/users/edemaine/orgs","repos_url":"https://api.github.com/users/edemaine/repos","events_url":"https://api.github.com/users/edemaine/events{/privacy}","received_events_url":"https://api.github.com/users/edemaine/received_events","type":"User","site_admin":false},"created_at":"2018-05-03T12:25:42Z","updated_at":"2018-05-03T12:25:42Z","author_association":"COLLABORATOR","body":"@pzinn Good alternative to raise.  One possible disadvantage of adding these symbols to our fonts would be that it would make the font files larger (unless fonts can have symlinks between symbols?). I also don't think the mappings you give will do what we want, because they will remove the existing definitions of Latin A, etc. (I'm pretty sure those are mappings, and thus do not allow duplication.) Of course, we could change the font code in more complicated ways, but we could also do that in the future if this becomes a big concern.\r\n\r\nI'm curious what unicode-math/XeLaTeX does.  Are these defined in the font, or are they macro'd to Latin letters?  Ah, it turns out that they are macrod, in `engrec/engrec.sty`:\r\n```latex\r\n\\providecommand{\\upomicron}{\\text{\\rmfamily\\upshape o}}\r\n```\r\nThis seems like further justification for the current approach..."}}
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