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73424[BUG] Two :silent! bugs: silencing exception disables :try/:catch and it does not work for :throw

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  • ZyX
    Sep 28, 2013
    • 0 Attachment
      Try sourcing the following script

      function Fu()
      throw 1234
      endfunction
      silent! call Fu()
      try|let b=au#xxx()|catch|echomsg v:exception|endtry

      . After you source it with “vim -u NONE -N -S script-name.vim” you will see

      Error detected while processing /tmp/zshubfJ7j:
      line 5:
      E117: Unknown function: au#xxx
      E15: Invalid expression: au#xxx()|catch|echomsg v:exception|endtry

      while expected to see just

      Vim(let):E117: Unknown function: au#xxx

      . If you replace “let b=au#xxx()” with “throw 1234” exception is caught as expected.

      Also note that “:silent! throw 1234” does not silence the exception.


      Note: while :try/:catch does not work after you experienced this problem you still may use :redir to get error messages silenced with :silent!.

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