Difference between {% and {%-

[Vicente Olivert Riera]

Hello,

I have no idea about Tornado, but for job reasons I have to deal with a project which is using it.

I think {% is the open tag for a template directive, but I the code I'm looking at it's mixing {% and {%-. What's the difference between them?

Example of what I find in that code:

{% for strip in grid -%}

another example:

{%- if strip[i] -%}

Someone in the #python IRC channel told me this:

"in jinja2 it affects whether whitespace is printed, but it's not documented for tornado at all AFAICT. Maybe it does the same thing."

Can anyone tell me difference between {% and {%- please?

Thanks

[Ben Darnell]

'{%-' is a syntax error in Tornado templates. Are you sure this application is using Tornado templates, and not using something like jinja2 from a Tornado server?

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[Vicente Olivert Riera]

You are right, it is jinga2. Sorry.

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[Vicente Olivert Riera]

jinja2