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Bug #10630

closed

ERB tags nested in escaped blocks are skipped

Added by tonci (Tonči Damjanić) over 9 years ago. Updated over 6 years ago.

Status:
Third Party's Issue
Assignee:
Target version:
ruby -v:
2.3.5
[ruby-core:67034]

Description

Hello,

First of all, is this a good place to report Erubis bugs? Their GitHub repo is stale (no action since 2011) and I was suggested by the Rails team to try here.

GitHub ticket: https://github.com/kwatch/erubis/issues/6
Repro example: https://github.com/rails/rails/issues/18098#issuecomment-67667400


It seems that ERB (Erubis) doesn't handle well tags embedded within another tag. My goal is to produce ERB code with some values prefilled in the first pass.

Input ERB code:

    <div>
        <%%= Results: <%= 'first' %> | <%= 'second' %> | <%= 'third' %> %>
    </div>

Produces the following output:

    <div>
        <%= Results: <%= 'first' %> | second | third %>
    </div>

Expected output is:

    <div>
        <%= Results: first | second | third %>
    </div>

The first nested ERB tag is skipped. The same happens when there is just one block nested.

This is reproducible in Rails v4.1.8, which is using Erubis v2.7.0.

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