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    <p><font size="-1">Patrick, You have identified a good way to do
        this. Given it is likely that the links are to files in a
        directory structure on a single server with that file
        structure/path given by the link text, as we see in your dead
        link list, and that in a good number, perhaps likely a large
        majority of the cases, that the file names (less the directory
        path) are unique,</font></p>
    <p><font size="-1">It would be a fairly direct procedure to
        associate links by their file name (less path) with file
        locations. The process would then update the links for the
        correct paths, list links without an existing file, and list
        dead links having more than one existing file with the same
        name.</font></p>
    <p><font size="-1">The frequency of that run would depend on the
        frequency of dead-link discovery that the run could provide.<br>
      </font></p>
    <p><font size="-1">Regards, Neil Nelson</font><br>
    </p>
    <div class="moz-cite-prefix">On 8/28/19 7:52 PM, Patrick Nappa via
      llvm-dev wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAAMHP5PqheUETfO=+1ONJt_h++eZ0z9--4YN+fbtzXFRDeZWtQ@mail.gmail.com">
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        <div>Hi all,</div>
        <div><br>
        </div>
        <div>I'm currently in the process of updating the Kaleidoscope
          tutorials (first and foremost, the ORC/BuildingAJIT ones), and
          I've noticed a fair few 404s which are lingering within the
          current visible documentation. Some of these don't seem to
          have linked to existing pages for a while.</div>
        <div><br>
        </div>
        <div>I was wondering if there was a way to set up a check in the
          buildbot to ensure that documentation doesn't break between
          builds? I'm happy to fix the current dead links I've found
          (see below) but thought it might be wise to set up a more
          automated approach in the future. Does anyone have any tips on
          how I'd go about doing this/if this should be set up at all?<br>
        </div>
        <div><br>
        </div>
        <div>I ran a web crawler to find each of the dead links (this
          may not be exhaustive), and they are as follows: <br>
        </div>
        <div><span style="font-family:monospace"><a
              href="https://llvm.org/docs/TestSuiteMakefileGuide"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/TestSuiteMakefileGuide</a></span><br>
          <span style="font-family:monospace"><a
              href="https://llvm.org/docs/doxygen/structLICM.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/doxygen/structLICM.html</a><br>
            <a
              href="https://llvm.org/docs/tutorial/LangImpl5.html#for-loop-expression"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/LangImpl5.html#for-loop-expression</a><br>
            <a
href="https://llvm.org/docs/tutorial/LangImpl7.html#user-defined-local-variables"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/LangImpl7.html#user-defined-local-variables</a><br>
            <a href="http://llvm.org/docs/lnt/modindex.html"
              target="_blank" moz-do-not-send="true">http://llvm.org/docs/lnt/modindex.html</a><br>
            <a
href="https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl6.html#user-defined-unary-operators"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl6.html#user-defined-unary-operators</a><br>
            <a
href="https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl5.html#for-loop-expression"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl5.html#for-loop-expression</a><br>
            <a
href="https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl7.html#user-defined-local-variables"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl7.html#user-defined-local-variables</a><br>
            <a
              href="https://llvm.org/docs/tutorial/LangRef.html#instruction-reference"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/LangRef.html#instruction-reference</a><br>
            <a
href="https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl4.html#adding-a-jit-compiler"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl4.html#adding-a-jit-compiler</a><br>
            <a
              href="https://llvm.org/docs/tutorial/WritingAnLLVMPass.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/WritingAnLLVMPass.html</a><br>
            <a href="https://llvm.org/docs/tutorial/Passes.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/Passes.html</a><br>
            <a
href="https://llvm.org/docs/tutorial/ProgrammersManual.html#viewing-graphs-while-debugging-code"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/ProgrammersManual.html#viewing-graphs-while-debugging-code</a><br>
            <a
              href="https://llvm.org/docs/tutorial/SourceLevelDebugging.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/SourceLevelDebugging.html</a><br>
            <a
              href="https://llvm.org/docs/tutorial/Frontend/PerformanceTips.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/Frontend/PerformanceTips.html</a><br>
            <a href="https://llvm.org/docs/tutorial/GetElementPtr.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/GetElementPtr.html</a><br>
            <a
              href="https://llvm.org/docs/tutorial/GarbageCollection.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/GarbageCollection.html</a><br>
            <a
              href="https://llvm.org/docs/tutorial/ExceptionHandling.html"
              target="_blank" moz-do-not-send="true">https://llvm.org/docs/tutorial/ExceptionHandling.html</a><br>
            <a href="https://www.llvm.org/docs/doxygen/structLICM.html"
              target="_blank" moz-do-not-send="true">https://www.llvm.org/docs/doxygen/structLICM.html</a><br>
            <a href="http://llvm.org/docs/TestSuiteMakefileGuide"
              target="_blank" moz-do-not-send="true">http://llvm.org/docs/TestSuiteMakefileGuide</a><br>
            <a href="http://llvm.org/docs/doxygen/structLICM.html"
              target="_blank" moz-do-not-send="true">http://llvm.org/docs/doxygen/structLICM.html</a><br>
            <a href="https://www.llvm.org/docs/TestSuiteMakefileGuide"
              target="_blank" moz-do-not-send="true">https://www.llvm.org/docs/TestSuiteMakefileGuide</a><br>
            <a
              href="http://llvm.org/docs/tutorial/LangImpl5.html#for-loop-expression"
              target="_blank" moz-do-not-send="true">http://llvm.org/docs/tutorial/LangImpl5.html#for-loop-expression</a><br>
            <a
href="http://llvm.org/docs/tutorial/LangImpl7.html#user-defined-local-variables"
              target="_blank" moz-do-not-send="true">http://llvm.org/docs/tutorial/LangImpl7.html#user-defined-local-variables</a></span>
        </div>
        <div><br>
        </div>
        <div>Some of these are trivial mistakes (i.e. <a
            href="https://llvm.org/docs/tutorial/LangRef.html#instruction-reference"
            moz-do-not-send="true">https://llvm.org/docs/tutorial/LangRef.html#instruction-reference</a>
          -> <a
            href="https://llvm.org/docs/LangRef.html#instruction-reference"
            moz-do-not-send="true">https://llvm.org/docs/LangRef.html#instruction-reference</a>),
          and some require a bit more inspection.<br>
        </div>
        <div><br>
        </div>
        <div>Regards,</div>
        <div>Patrick<br>
        </div>
      </div>
      <br>
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