gh-133300: argparse: make suggest_on_error a keyword-only parameter (#133302)

Author: hugovk

Doc/library/argparse.rst

@@ -74,7 +74,7 @@ ArgumentParser objects
                           prefix_chars='-', fromfile_prefix_chars=None, \
                           argument_default=None, conflict_handler='error', \
                           add_help=True, allow_abbrev=True, exit_on_error=True, \
-                          suggest_on_error=False, color=False)
+                          *, suggest_on_error=False, color=False)
 
    Create a new :class:`ArgumentParser` object. All parameters should be passed
    as keyword arguments. Each parameter has its own more detailed description

Lib/argparse.py

@@ -1886,8 +1886,8 @@ def __init__(self,
                  add_help=True,
                  allow_abbrev=True,
                  exit_on_error=True,
-                 suggest_on_error=False,
                  *,
+                 suggest_on_error=False,
                  color=False,
                  ):
         superinit = super(ArgumentParser, self).__init__

Misc/NEWS.d/next/Library/2025-05-02-17-23-41.gh-issue-133300.oAh1P2.rst

@@ -0,0 +1,2 @@
+Make :class:`argparse.ArgumentParser`'s ``suggest_on_error`` a keyword-only
+parameter. Patch by Hugo van Kemenade.