scripts/lib/kdoc/kdoc_parser.py: fix Python compat with < v3.13

- str.replace count was introduced only in Python 3.13;
- before Python 3.13, f-string dict arguments can't use the same
  delimiter of the main string.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/e2b8e8361294558dae09236e4b8fbea5d86be5a3.1744106242.git.mchehab+huawei@kernel.org

Author: mchehab

scripts/lib/kdoc/kdoc_output.py

@@ -647,16 +647,16 @@ def out_function(self, fname, name, args):
         sectionlist = args.get('sectionlist', [])
         sections = args.get('sections', {})
 
-        self.data += f'.TH "{args['function']}" 9 "{args['function']}" "{self.man_date}" "Kernel Hacker\'s Manual" LINUX' + "\n"
+        self.data += f'.TH "{args["function"]}" 9 "{args["function"]}" "{self.man_date}" "Kernel Hacker\'s Manual" LINUX' + "\n"
 
         self.data += ".SH NAME\n"
         self.data += f"{args['function']} \\- {args['purpose']}\n"
 
         self.data += ".SH SYNOPSIS\n"
         if args.get('functiontype', ''):
-            self.data += f'.B "{args['functiontype']}" {args['function']}' + "\n"
+            self.data += f'.B "{args["functiontype"]}" {args["function"]}' + "\n"
         else:
-            self.data += f'.B "{args['function']}' + "\n"
+            self.data += f'.B "{args["function"]}' + "\n"
 
         count = 0
         parenth = "("
@@ -697,7 +697,7 @@ def out_enum(self, fname, name, args):
         sectionlist = args.get('sectionlist', [])
         sections = args.get('sections', {})
 
-        self.data += f'.TH "{args['module']}" 9 "enum {args['enum']}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.data += f'.TH "{args["module"]}" 9 "enum {args["enum"]}" "{self.man_date}" "API Manual" LINUX' + "\n"
 
         self.data += ".SH NAME\n"
         self.data += f"enum {args['enum']} \\- {args['purpose']}\n"

scripts/lib/kdoc/kdoc_parser.py

@@ -1444,9 +1444,9 @@ def syscall_munge(self, ln, proto):         # pylint: disable=W0613
 
         r = Re(r'long\s+(sys_.*?),')
         if r.search(proto):
-            proto = proto.replace(',', '(', count=1)
+            proto = Re(',').sub('(', proto, count=1)
         elif is_void:
-            proto = proto.replace(')', '(void)', count=1)
+            proto = Re(r'\)').sub('(void)', proto, count=1)
 
         # Now delete all of the odd-numbered commas in the proto
         # so that argument types & names don't have a comma between them