update links

Author: jmckenna

en/input/vector/filegdb.txt

@@ -60,7 +60,7 @@ geodatabase "FileGDB" driver (or the "OpenFileGDB" driver), by using the '--form
      "TIGER" (read/write)
      ...
 
-If you don't have the driver, see GDAL's `BuildHints <https://trac.osgeo.org/gdal/wiki/FileGDB>`__ page for 
+If you don't have the driver, see GDAL's `Building from source <https://gdal.org/en/stable/development/building_from_source.html>`__ page for 
 compiling the driver.
 
 Once you have the FileGDB driver you are ready to try an ogrinfo command on your

en/input/vector/kml.txt

@@ -158,7 +158,7 @@ by using the '--formats' command:
 
 If you don't have the driver, you might want to try the `FWTools`_ or `MS4W`_
 packages, which include the driver.  Or you can follow the 
-`compiling notes <https://trac.osgeo.org/gdal/wiki/LibKML>`__ for
+`Building from source <https://gdal.org/en/stable/development/building_from_source.html>`__ for
 libKML and GDAL/OGR.
 
 Once you have the LIBKML driver you are ready to try an ogrinfo command on your

en/input/vector/ogr.txt

@@ -972,7 +972,7 @@ FAQ / Common Problems
 
 :A: Basically, OGR does not stand for anything. For a detailed
     explanation of how OGR was named, see GDAL's FAQ at
-    https://trac.osgeo.org/gdal/wiki/FAQ.
+    https://gdal.org/en/stable/faq.html.
 
 -------------
 
@@ -1055,6 +1055,6 @@ SISTEMA INFORMATIVO TERRITORIALE ED AMBIENTALE ( http://www.geografia.toscana.it
 .. _`OGR formats page`: https://gdal.org/drivers/vector/index.html
 .. _`DGN driver page`: https://gdal.org/drivers/vector/dgn.html
 .. _`OGR Utilities Page`: https://gdal.org/programs/index.html#vector-programs
-.. _`GDAL Wiki`: https://trac.osgeo.org/gdal/wiki
+.. _`GDAL Wiki`: https://web.archive.org/web/20240706042553/https://trac.osgeo.org/gdal/wiki
 .. _`OGR Feature Style Specification`: https://gdal.org/user/ogr_feature_style.html
 

en/input/virtual-file.txt

@@ -30,11 +30,11 @@ include **/vsizip/**, **/vsigzip/**, **/vsitar/**, **/vsicurl/**
 More Information on Virtual File System
 ---------------------------------------
 
-- GDAL's virtual file systems `instructions <https://gdal.org/user/virtual_file_systems.html>`__
+- GDAL's virtual file systems `instructions <https://gdal.org/en/stable/user/virtual_file_systems.html>`__
 
 - Blog post by initial developer `Even Rouault <https://erouault.blogspot.com/2012/05/new-gdal-virtual-file-system-to-read.html>`_
 
-- GDAL's old Wiki `page <https://trac.osgeo.org/gdal/wiki/UserDocs/ReadInZip?version=17>`_ 
+- GDAL's old Wiki `page <https://web.archive.org/web/20170303160051/https://trac.osgeo.org/gdal/wiki/UserDocs/ReadInZip>`_ 
   (might be outdated, but it is still a good source of information)
 
 Display Compressed File Directly in MapServer

en/optimization/debugging.txt

@@ -324,7 +324,7 @@ with the **CPL_CURL_VERBOSE** variable, such as:
 .. NOTE::
    For a list of GDAL's possible variables to use, see the
    GDAL official `list <https://gdal.org/user/configoptions.html>`__.    
-   The old `GDAL wiki <https://trac.osgeo.org/gdal/wiki/ConfigOptions?version=52>`__
+   The old `GDAL wiki <https://web.archive.org/web/20220324035447/https://trac.osgeo.org/gdal/wiki/ConfigOptions>`__
    is still a good source of information for these variables, even if outdated.
 
 .. seealso::

en/optimization/environment_variables.txt

@@ -20,8 +20,8 @@ behavior or specify the location of some resources.
 .. TIP::
    In terms of GDAL, for a good list of GDAL's possible variables to use 
    (to help control data access in MapServer), see the 
-   `GDAL wiki <https://trac.osgeo.org/gdal/wiki/ConfigOptions>`__.
-   The main GDAL site also has a `list <https://gdal.org/user/configoptions.html#list-of-configuration-options-and-where-they-apply>`__.
+   the main `GDAL site <https://gdal.org/user/configoptions.html#list-of-configuration-options-and-where-they-apply>`__ 
+   (you can also see the `old GDAL wiki <https://web.archive.org/web/20220324035447/https://trac.osgeo.org/gdal/wiki/ConfigOptions>`__).
 
 List of all possible MapServer Environment Variables
 ====================================================