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I'm sure this is a very basic question but as the description is so generic, I'm having trouble researching it.

I've noticed in the layout XML files.

  • before="_" (before with underscore)
  • before="-" (before with dash)

Could someone explain what before does and what the result is with the dash or underscore?

Thank you

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before="-" mean's place this block before all other elements their is not anything like before="_"

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