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diff --git a/book/src/template_syntax.md b/book/src/template_syntax.md index 5e69bc9..c90820c 100644 --- a/book/src/template_syntax.md +++ b/book/src/template_syntax.md @@ -88,7 +88,7 @@ includes only whitespace, whitespace suppression on either side will completely suppress that literal content. If the whitespace default control is set to "suppress" and you want -to keep whitespace characters on one side of a block or of an +to preserve whitespace characters on one side of a block or of an expression, you need to use `+`. Example: ```text @@ -96,9 +96,34 @@ expression, you need to use `+`. Example: class="something">text</a> ``` -In the above example, it allows to keep one whitespace character +In the above example, one whitespace character is kept between the `href` and the `class` attributes. +There is a third possibility. In case you want to suppress all whitespace +characters except one (`"minimize"`), you can use `~`: + +```jinja +{% if something ~%} +Hello +{%~ endif %} +``` + +To be noted, if one of the trimmed characters is a newline, then the only +character remaining will be a newline. + +Whitespace controls can also be defined by a +[configuration file](configuration.md) or in the derive macro. +These definitions follow the global-to-local preference: +1. Inline (`-`, `+`, `~`) +2. Derive (`#[template(whitespace = "suppress")]`) +3. Configuration (in `askama.toml`, `whitespace = "preserve"`) + +Two inline whitespace controls may point to the same whitespace span. +In this case, they are resolved by the following preference. +1. Suppress (`-`) +2. Minimize (`~`) +3. Preserve (`+`) + ## Template inheritance Template inheritance allows you to build a base template with common |