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Minor edits to Substitution Field Spec.

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Jim Evins
2017-12-14 11:04:28 -05:00
parent 5e9f8355b9
commit 3bac0e9e42
1 changed files with 2 additions and 2 deletions
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docs/SUBSTITUTION-FIELD-SPEC.md
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@@ -23,7 +23,7 @@ Modifiers
A format modifier is used to control the format of numerical and string values. It is a subset of a single printf format placeholder. Its syntax is A format modifier is used to control the format of numerical and string values. It is a subset of a single printf format placeholder. Its syntax is
```ebnf ```ebnf
format-modifier = "%" [ flags ] [ width ] [ ".", precision ] type ; format-modifier = "%" [ flags ] [ width ] [ "." precision ] type ;
``` ```
#### Flags #### Flags
@@ -74,7 +74,7 @@ Escape sequence | actual character
> :arrow_right: This modifier does not modify the value of a variable, it only uses this value if the variable is not defined. For example, if the variable `${x}` is undefined, the string "`${x:=1} ${x:=2}`" would be printed as "`1 2`". Otherwise, if `${x}` was defined as "`3`", it would be printed as "`3 3`". > :arrow_right: This modifier does not modify the value of a variable, it only uses this value if the variable is not defined. For example, if the variable `${x}` is undefined, the string "`${x:=1} ${x:=2}`" would be printed as "`1 2`". Otherwise, if `${x}` was defined as "`3`", it would be printed as "`3 3`".
### New-Line-Modifier ('n') ### New-Line-Modifier ('n')
This modifier is used to prepend a newline to the printed value, if the value is undefined or empty. Its syntax is simply: This modifier is used to prepend a newline to the printed value, if the value is defined and non-empty. Its syntax is simply:
```ebnf ```ebnf
new-line-modifier = "n" ; new-line-modifier = "n" ;