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Merge pull request #9134 from fricklerhandwerk/syntax-admonitions

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Valentin Gagarin 2023-10-10 18:02:52 +02:00 committed by GitHub
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2
doc/manual/src/language/constructs/lookup-path.md
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@ -2,7 +2,7 @@
> **Syntax** > **Syntax**
> >
> *lookup-path* = `<` *identifier* [ `/` *identifier* `]`... `>` > *lookup-path* = `<` *identifier* [ `/` *identifier* ]... `>`
A lookup path is an identifier with an optional path suffix that resolves to a [path value](@docroot@/language/values.md#type-path) if the identifier matches a search path entry. A lookup path is an identifier with an optional path suffix that resolves to a [path value](@docroot@/language/values.md#type-path) if the identifier matches a search path entry.

16
doc/manual/src/language/operators.md
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@ -35,6 +35,8 @@
## Attribute selection ## Attribute selection
> **Syntax**
>
> *attrset* `.` *attrpath* \[ `or` *expr* \] > *attrset* `.` *attrpath* \[ `or` *expr* \]
Select the attribute denoted by attribute path *attrpath* from [attribute set] *attrset*. Select the attribute denoted by attribute path *attrpath* from [attribute set] *attrset*.
@ -42,12 +44,16 @@ If the attribute doesn’t exist, return the *expr* after `or` if provided, othe
An attribute path is a dot-separated list of [attribute names](./values.md#attribute-set). An attribute path is a dot-separated list of [attribute names](./values.md#attribute-set).
> **Syntax**
>
> *attrpath* = *name* [ `.` *name* ]... > *attrpath* = *name* [ `.` *name* ]...
[Attribute selection]: #attribute-selection [Attribute selection]: #attribute-selection
## Has attribute ## Has attribute
> **Syntax**
>
> *attrset* `?` *attrpath* > *attrset* `?` *attrpath*
Test whether [attribute set] *attrset* contains the attribute denoted by *attrpath*. Test whether [attribute set] *attrset* contains the attribute denoted by *attrpath*.
@ -70,6 +76,8 @@ The `+` operator is overloaded to also work on strings and paths.
## String concatenation ## String concatenation
> **Syntax**
>
> *string* `+` *string* > *string* `+` *string*
Concatenate two [string]s and merge their string contexts. Concatenate two [string]s and merge their string contexts.
@ -78,6 +86,8 @@ Concatenate two [string]s and merge their string contexts.
## Path concatenation ## Path concatenation
> **Syntax**
>
> *path* `+` *path* > *path* `+` *path*
Concatenate two [path]s. Concatenate two [path]s.
@ -87,6 +97,8 @@ The result is a path.
## Path and string concatenation ## Path and string concatenation
> **Syntax**
>
> *path* + *string* > *path* + *string*
Concatenate *[path]* with *[string]*. Concatenate *[path]* with *[string]*.
@ -100,6 +112,8 @@ The result is a path.
## String and path concatenation ## String and path concatenation
> **Syntax**
>
> *string* + *path* > *string* + *path*
Concatenate *[string]* with *[path]*. Concatenate *[string]* with *[path]*.
@ -117,6 +131,8 @@ The result is a string.
## Update ## Update
> **Syntax**
>
> *attrset1* // *attrset2* > *attrset1* // *attrset2*
Update [attribute set] *attrset1* with names and values from *attrset2*. Update [attribute set] *attrset1* with names and values from *attrset2*.

6
doc/manual/src/language/values.md
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@ -162,13 +162,17 @@ An attribute set is a collection of name-value-pairs (called *attributes*) enclo
An attribute name can be an identifier or a [string](#string). An attribute name can be an identifier or a [string](#string).
An identifier must start with a letter (`a-z`, `A-Z`) or underscore (`_`), and can otherwise contain letters (`a-z`, `A-Z`), numbers (`0-9`), underscores (`_`), apostrophes (`'`), or dashes (`-`). An identifier must start with a letter (`a-z`, `A-Z`) or underscore (`_`), and can otherwise contain letters (`a-z`, `A-Z`), numbers (`0-9`), underscores (`_`), apostrophes (`'`), or dashes (`-`).
> **Syntax**
>
> *name* = *identifier* | *string* \ > *name* = *identifier* | *string* \
> *identifier* ~ `[a-zA-Z_][a-zA-Z0-9_'-]*` > *identifier* ~ `[a-zA-Z_][a-zA-Z0-9_'-]*`
Names and values are separated by an equal sign (`=`). Names and values are separated by an equal sign (`=`).
Each value is an arbitrary expression terminated by a semicolon (`;`). Each value is an arbitrary expression terminated by a semicolon (`;`).
> *attrset* = `{` [ *name* `=` *expr* `;` `]`... `}` > **Syntax**
>
> *attrset* = `{` [ *name* `=` *expr* `;` ]... `}`
Attributes can appear in any order. Attributes can appear in any order.
An attribute name may only occur once. An attribute name may only occur once.