style-guide: refresh page (#9718)

* Move `Range syntax` to `Placeholder syntax` chapter

* Require generic placeholders when available

* Require ranges just for singular arguments

* style-guide: update grammar

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* style-guide: update spacing in Chinese-Specific Rules

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* style-guide: fix typos, spacing

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

contributing-guides/style-guide.md

@@ -102,23 +102,13 @@ Example:
 `tldr vim`
 
 ```
+
 - Pre-translated alias page templates can be found [here](https://github.com/tldr-pages/tldr/blob/main/contributing-guides/translation-templates/alias-pages.md).
 
 ## Option syntax
 
 - Use GNU-style **long options** (like `--help` rather than `-h`) when they are cross-platform compatible (intended to work the same across multiple platforms).
-- In other cases use short options (like `-h`).
-
-## Range syntax
-
-All borders of integer and float ranges are included. If you wanna exclude
-one border then use incremented or decremented values to do it:
-`{{1..5}}` == `[1-6)`.
-
-- Use `{{from..to}}` syntax for closed ranges.
-- Use `{{-infinity..to}}` or `{{from..infinity}}` syntax for integer partially closed ranges.
-- Use `{{integer}}` syntax for values where any integer is valid.
-- Use `{{float}}` syntax for values where any float is valid.
+- In other cases, use short options (like `-h`).
 
 ## Placeholder syntax
 
@@ -128,13 +118,28 @@ in order to allow `tldr` clients to highlight them.
 Keep the following guidelines in mind when choosing placeholders:
 
 ### Naming
+
 - Use short but descriptive placeholders,
   such as `{{path/to/source_file}}` or `{{path/to/wallet.txt}}`.
 - Use [`snake_case`](https://wikipedia.org/wiki/snake_case) for multi-word placeholders.
-- Use an actual value rather than a generic placeholder where appropriate.
-  For example, use `iostat {{2}}` rather than `iostat {{interval_in_secs}}`.
+- Use a generic placeholder rather than an actual value where a generic placeholder is available (but there is an exception to this listed below). For example, use
+  `iostat {{1..infinity}}` rather than `iostat {{2}}`.
+ - If there are several consecutive placeholders of the same type
+  which don't allow adding arbitrary text in them (ranges), then instead of generic placeholders use descriptive ones. For example prefer `input swipe {{x_position}} {{y_position}} {{x_position}} {{y_position}} {{seconds}}`
+  instead of `input swipe {{-infinity..infinity}} {{-infinity..infinity}} {{-infinity..infinity}} {{-infinity..infinity}} {{1..infinity}}`.
+
+### Range syntax
+
+All borders of integer and float ranges get included. If you want to exclude the border, then use incremented or decremented values to do it:
+`{{1..5}}` == `[1-6)`.
+
+- Use `{{from..to}}` syntax for closed ranges.
+- Use `{{-infinity..to}}` or `{{from..infinity}}` syntax for integer partially closed ranges.
+- Use `{{integer}}` syntax for values where any integer is valid.
+- Use `{{float}}` syntax for values where any float is valid.
 
 ### Paths
+
 - Use `{{filename}}` when just file name is expected.
 - For any reference to paths of files or directories,
   use the format `{{path/to/<placeholder>}}`,
@@ -156,8 +161,9 @@ Keep the following guidelines in mind when choosing placeholders:
   while in `wc -l {{path/to/file}}` using `{{path/to/file}}` (without extension) is sufficient.
 
 ### Special cases
+
 - If a command performs irreversible changes to a file system or devices,
-  write every example in a way that cannot be thoughtlessly copy-pasted.
+  write every example in a way that cannot be copy pasted thoughtlessly.
   For example, instead of `ddrescue --force --no-scrape /dev/sda /dev/sdb`
   write `ddrescue --force --no-scrape {{/dev/sdX}} {{/dev/sdY}}`
   and use the `{{/dev/sdXY}}` placeholder for *block devices* instead of `/dev/sda1`.
@@ -176,13 +182,13 @@ Use backticks on the following:
 
 ## Imperative Mood
 
-Example descriptions have to be phrased in imperative mood.  
-For example, use `List all files`, instead of `Listing all files` or `File listing`.  
-This also applies to all translations by default, unless otherwise specified in the language-specific section below.  
+- Example descriptions have to be phrased in imperative mood.
+- For example, use `List all files` instead of `Listing all files` or `File listing`.
+- This also applies to all translations by default unless otherwise specified in the language-specific section below.
 
 ## Serial Comma
 
-When declaring a list of 3 or more items,
+- When declaring a list of 3 or more items,
 use a [serial comma](https://en.wikipedia.org/wiki/Serial_comma),
 also known as the Oxford comma,
 since omitting it can create ambiguity.
@@ -209,22 +215,22 @@ When not available, use <https://manned.org> as the default fallback.
 
 When Chinese words, Latin words and Arabic numerals are written in the same sentence, more attention must be paid to copywriting.
 
-The following guidelines are applied to Chinese (zh) and traditional Chinese (zh_TW):
+The following guidelines are applied to Chinese (`zh`) and traditional Chinese (`zh_TW`) pages:
 
 1. Place one space before/after English words and numbers.
-   For example, use `列出所有 docker 容器` rather than `列出所有docker容器`.  
-   For example, use `宽度为 50 个字` rather than `宽度为50个字`.  
+  - For example, use `列出所有 docker 容器` rather than `列出所有docker容器`.
+  - For example, use `宽度为 50 个字` rather than `宽度为50个字`.
 2. Place one space between numbers and units **except** degrees and percentages.
-   For example, use `容量 50 MB` rather than `容量 50MB`.  
-   For instances of degree and percentage, use `50°C` and `50%` rather than `50 °C` and `50 %`.  
+  - For example, use `容量 50 MB` rather than `容量 50MB`.
+  - For instances of degree and percentage, use `50°C` and `50%` rather than `50 °C` and `50 %`.
 3. No additional spaces before/after full-width punctuations.
-   For example, use `开启 shell，进入交互模式` rather than `开启 shell ，进入交互模式`
+  - For example, use `开启 shell，进入交互模式` rather than `开启 shell ，进入交互模式`
 4. Use full-width punctuations except for long Latin clauses.
-   For example, use `嗨，你好。` rather than `嗨, 你好.`
+  - For example, use `嗨，你好。` rather than `嗨, 你好.`
 5. Use a half-width punctuation to end a sentence when the last character is half-width.
-   For example, use `将代码转化为 Python 3.` rather than `将代码转化为 Python 3。`
+  - For example, use `将代码转化为 Python 3.` rather than `将代码转化为 Python 3。`
 6. Use precise form for technical terms, and do not use unofficial Chinese abbreviations.
-   For example, use `Facebook` rather than `facebook`, `fb` or `脸书`.
+  - For example, use `Facebook` rather than `facebook`, `fb` or `脸书`.
 
 In order to maintain readability and normalization, please comply with the 6 rules above as much as possible when translating pages into Chinese.