feat: support floating-point fraction and fix some typos

Author: wenchy

content/en/docs/basics/wellknown-types.md

@@ -58,9 +58,9 @@ You should include the proto files provided by Tableau and Protocol Buffers:
 
 A fraction represents a part of a whole or, more generally, any number of equal parts. See [wiki: Fraction](https://en.wikipedia.org/wiki/Fraction) for more details.
 
-| Type       | Default | Description                                                                                                                                                                                                                  |
-| ---------- | ------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `fraction` | `0`     | Format:  <br>- `N%`: percentage, e.g.: `10%` <br>- `N‰`: per thounsand, e.g.: `10‰` <br>- `N‱`: per ten thounsand, e.g.: `10‱`<br>- `N/D`: simple fraction, e.g.: `3/4`<br>- `N`: only numerator, e.g.: `3` is same to `3/1` |
+| Type       | Default | Description                                                                                                                                                                                                                                                                                      |
+| ---------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
+| `fraction` | `0`     | Format:  <br>- `N%`: percentage, e.g.: `10%` <br>- `N‰`: per thounsand, e.g.: `10‰` <br>- `N‱`: per ten thounsand, e.g.: `10‱`<br>- `N/D`: simple fraction, e.g.: `3/4`<br>- `N`: only numerator, e.g.: `3` is same to `3/1`<br>- `N`: floating-point numerator, e.g.: `0.01` is same to `1/100` |
 
 ```protobuf
 message Fraction {

content/en/docs/design/overview.md

@@ -278,7 +278,7 @@ Use [RFC 3339](https://tools.ietf.org/html/rfc3339) , which is following [ISO 86
 ### Validation
 
 - [x] unique: check map key uniqueness.
-- [x] range: `[left, right]`.
+- [x] range: `[left,right]`.
 - [ ] refer: `XXXConf.ID`. To be supported by [tableauio/loader](https://github.com/tableauio/loader).
 
 ### Error Message

content/en/docs/excel/field-property.md

@@ -15,7 +15,7 @@ toc: true
 | Option      | Type   | Description                                                                                                                                                                |
 | ----------- | ------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | `unique`    | bool   | Check field uniqueness. <br> Default: `false`. Specially for map (or KeyedList) key, default will be auto deduced.                                                         |
-| `range`     | string | Format: `"left, right"`. E.g.: `"1,10"`, `"1,~"`, `"~,10"`. <br> Different interpretations of range: <br> - number: value range. <br> - string: count of utf-8 code point. |
+| `range`     | string | Format: `"left,right"`. E.g.: `"1,10"`, `"1,~"`, `"~,10"`. <br> Different interpretations of range: <br> - number: value range. <br> - string: count of utf-8 code point. |
 | `refer`     | string | Format: `"SheetName(SheetAlias).ColumnName"`.<br>Ensure this field is in another sheet's column value space. Multiple refers are comma-separated.                          |
 | `sequence`  | int64  | Ensure this field's value is a sequence and begins with this value.                                                                                                        |
 | `default`   | string | Use this default value if cell is empty.                                                                                                                                   |
@@ -55,7 +55,7 @@ If you specify a general scalar field's property `unique` as true, then tableau
 
 {{< alert icon="⚠️️" context="warning" text="This check option will not be applied if cell data is empty (not present). So if you still want to check even if cell data is empty, then you should set option `present` to true." />}}
 
-Option `range` can be specified as format: `"left, right"` (left and right are both inclusive).
+Option `range` can be specified as format: `"left,right"` (left and right are both inclusive).
 
 Different interpretations of `range`:
 

content/en/docs/excel/list.md

@@ -20,7 +20,7 @@ Overview of horizontal list syntax:
 | List element type                                                     | Syntax example                  |
 | --------------------------------------------------------------------- | ------------------------------- |
 | [scalar](#horizontal-scalar-list)                                     | `[]uint32`                      |
-| [enum](#horizontal-enum-list)                                         | `[]enum<.FruiteType>`           |
+| [enum](#horizontal-enum-list)                                         | `[]enum<.FruitType>`           |
 | [struct](#horizontal-struct-list)                                     | `[Item]uint32`                  |
 | [predefined struct](#horizontal-predefined-struct-list)               | `[.Item]uint32`                 |
 | [incell struct](#horizontal-incell-struct-list)                       | `[]{uint32 ID, string Num}Item` |

content/en/docs/excel/metasheet.md

@@ -502,9 +502,9 @@ If you set `Index` appropriately, then tableau loader plugins will generate inde
 Each column type can be:
 
 - **scalar**: numbers, booleans, strings, and bytes.
-- **enum**: e.g.: `enum<.FruiteType>`
+- **enum**: e.g.: `enum<.FruitType>`
 - **incell scalar list**: e.g: `[]int32`
-- **incell enum list**: e.g: `[]enum<.FruiteType>`
+- **incell enum list**: e.g: `[]enum<.FruitType>`
 
 Example: two worksheets *ItemConf* and *ShopConf* in HelloWorld.xlsx:
 

content/en/docs/excel/wellknown-types.md

@@ -278,11 +278,11 @@ A worksheet `ItemConf` in *HelloWorld.xlsx*:
 
 {{< sheet colored>}}
 
-| MinRatio  | Ratio1     | Ratio2   | Ratio3   | Ratio4   |
-| --------- | ---------- | -------- | -------- | -------- |
-| fraction  | []fraction | fraction | fraction | fraction |
-| min ratio | ratio1     | ratio 2  | ratio 3  | ratio 4  |
-| 1/4       | 10%        | 10‰      | 10‱      | 10       |
+| MinRatio  | Ratio1     | Ratio2   | Ratio3   | Ratio4   | Ratio5   |
+| --------- | ---------- | -------- | -------- | -------- | -------- |
+| fraction  | []fraction | fraction | fraction | fraction | fraction |
+| min ratio | ratio1     | ratio 2  | ratio 3  | ratio 4  | ratio 5  |
+| 1/4       | 10%        | 10‰      | 10‱      | 10       | 0.01     |
 
 {{< /sheet >}}
 
@@ -340,6 +340,10 @@ message ItemConf {
         {
             "num": 10,
             "den": 1
+        },
+        {
+            "num": 1,
+            "den": 100
         }
     ]
 }