Backport PR matplotlib#30246: chore: remove redundant words in comment

Author: timhoffm

doc/devel/tag_guidelines.rst

@@ -61,7 +61,7 @@ Proposing new tags
 1. Review existing tag list, looking out for similar entries (i.e. ``axes`` and ``axis``).
 2. If a relevant tag or subcategory does not yet exist, propose it. Each tag is two
    parts: ``subcategory: tag``. Tags should be one or two words.
-3. New tags should be be added when they are relevant to existing gallery entries too.
+3. New tags should be added when they are relevant to existing gallery entries too.
    Avoid tags that will link to only a single gallery entry.
 4. Tags can recreate other forms of organization.
 

doc/users/prev_whats_new/whats_new_3.8.0.rst

@@ -359,7 +359,7 @@ The following delimiter names have been supported earlier, but can now be sized
 * ``\leftparen`` and ``\rightparen``
 
 There are really no obvious advantages in using these.
-Instead, they are are added for completeness.
+Instead, they are added for completeness.
 
 ``mathtext`` documentation improvements
 ---------------------------------------
@@ -513,7 +513,7 @@ Plot Directive now can make responsive images with "srcset"
 
 The plot sphinx directive (``matplotlib.sphinxext.plot_directive``, invoked in
 rst as ``.. plot::``) can be configured to automatically make higher res
-figures and add these to the the built html docs.  In ``conf.py``::
+figures and add these to the built html docs.  In ``conf.py``::
 
     extensions = [
     ...

galleries/examples/scales/custom_scale.py

@@ -22,7 +22,7 @@
    * You want to override the default locators and formatters for the axis
      (``set_default_locators_and_formatters`` below).
 
-   * You want to limit the range of the the axis (``limit_range_for_scale`` below).
+   * You want to limit the range of the axis (``limit_range_for_scale`` below).
 
 """