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newline -> unicode newlines 

Fixes: #30
This commit is contained in:
Kat Marchán 2020-12-15 21:33:55 -08:00
parent 3ed2f0aa27
commit fa60bc63e9
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1 changed files with 19 additions and 2 deletions
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SPEC.md
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@ -102,6 +102,24 @@ my-node 1 2 \ // this is a comment
3 4 // This is the actual end of the Node.
```
### Newline
The following characters [should be treated as new
lines](https://www.unicode.org/versions/Unicode13.0.0/ch05.pdf):
| Acronym | Name | Unicode |
|---------|-----------------|---------|
| CR | Carriage Return | `000D` |
| LF | Line Feed | `000A` |
| CRLF | Carriage Return and Line Feed | `000D` + `000A` |
| NEL | Next Line | `0085` |
| VT | Vertical Tab | `000B` |
| FF | Form Feed | `000C` |
| LS | Line Separator | `2028` |
| PS | Paragraph Separator | `2029` |
Note that for the purpose of new lines, CRLF is considered _a single newline_.
## Full Grammar
```
@ -145,8 +163,7 @@ escline := '\\' ws* (single-line-comment | newline)
linespace := newline | ws | single-line-comment
// FIXME: This needs to support all unicode newline chars. See #27
newline := ('\r' '\n') | '\n'
newline := `000D` | `000A` | `000D` `000A` | `0085` | `000B` | `000C` | `2028` | `2029`
ws := bom | ' ' | '\t' | multi-line-comment | slashdash-comment