The HTML Validator Firefox Plugin In Linux

- 06 Aug 2007

I use the ”HTML Validator” Firefox plugin daily. I found it does not work out of the box in Linux namely Fedora Core 6 and Fedora 7. You immediately get a HTML-rendered screen that states:

FATAL ERROR : The dynamic C library contained in the extension file could not be found

Getting rid of this message took me a few minutes of research and I never found a step-by-step HOW-TO for Fedora – so here goes!

Here is how you get rid of this message and get the plugin working in Fedora Core 6 or Fedora 7:

  • First, uninstall the plugin by clicking on Tools-->Add-ons and clicking uninstall Remove HTML Validator
  • Second, close all instances of Firefox
  • Next, install three packages using yum compat-libstdc++-296 compat-libstdc++-33 tidy
yum install compat-libstdc++-296 compat-libstdc++-33 tidy

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