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Doc'd that template variables & attributes may not start with an underscore.

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Greg Kaleka 2018-07-03 17:16:52 -07:00 committed by Tim Graham
parent 2c3f198946
commit 17403f0a9b
1 changed files with 7 additions and 4 deletions
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11
docs/ref/templates/language.txt
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@ -82,10 +82,10 @@ Variables
Variables look like this: ``{{ variable }}``. When the template engine Variables look like this: ``{{ variable }}``. When the template engine
encounters a variable, it evaluates that variable and replaces it with the encounters a variable, it evaluates that variable and replaces it with the
result. Variable names consist of any combination of alphanumeric characters result. Variable names consist of any combination of alphanumeric characters
and the underscore (``"_"``). The dot (``"."``) also appears in variable and the underscore (``"_"``) but may not start with an underscore. The dot
sections, although that has a special meaning, as indicated below. (``"."``) also appears in variable sections, although that has a special
Importantly, *you cannot have spaces or punctuation characters in variable meaning, as indicated below. Importantly, *you cannot have spaces or
names.* punctuation characters in variable names.*
Use a dot (``.``) to access attributes of a variable. Use a dot (``.``) to access attributes of a variable.
@ -124,6 +124,9 @@ Note that "bar" in a template expression like ``{{ foo.bar }}`` will be
interpreted as a literal string and not using the value of the variable "bar", interpreted as a literal string and not using the value of the variable "bar",
if one exists in the template context. if one exists in the template context.
Variable attributes that begin with an underscore may not be accessed as
they're generally considered private.
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