| @@ -132,7 +132,7 @@ interface Position { |
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The `start` field of **Position** represents the place of the first character |
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of the parsed source region. |
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The `end` field of **Position** represents the place of the first character |
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-after the parsed source region. |
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+after the parsed source region, whether it exists or not. |
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The value of the `start` and `end` fields implement the [**Point**][dfn-point] |
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interface. |
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| @@ -143,6 +143,20 @@ If the syntactic unit represented by a node is not present in the source |
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[_file_][term-file] at the time of parsing, the node is said to be |
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[_generated_][term-generated] and it must not have positional information. |
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+For example, if the following value was represented as unist: |
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+ |
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+```markdown |
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+alpha |
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+bravo |
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+``` |
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+ |
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+…the first word (`alpha`) would start at line `1`, column `1`, offset `0`, and |
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+end at line `1`, column `6`, offset `5`. |
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+The line feed would start at line `1`, column `6`, offset `5`, and end at line |
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+`2`, column `1`, offset `6`. |
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+The last word (`bravo`) would start at line `2`, column `1`, offset `6`, and |
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+end at line `2`, column `6`, offset `11`. |
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+ |
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#### `Point` |
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```idl |