Replace double backticks with single backticks - Part 2 out of ~6 (#17206)

lib/deprecated/pure/events.nim

@@ -12,7 +12,7 @@
 ## Unstable API.
 ##
 ## This module implements an event system that is not dependent on external
-## graphical toolkits. It was originally called ``NimEE`` because
+## graphical toolkits. It was originally called `NimEE` because
 ## it was inspired by Python's PyEE module. There are two ways you can use
 ## events: one is a python-inspired way; the other is more of a C-style way.
 ##

lib/deprecated/pure/ospaths.nim

@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-## This module is deprecated, ``import os`` instead.
+## This module is deprecated, `import os` instead.
 {.deprecated: "import os.nim instead".}
 
 import os

lib/deprecated/pure/parseopt2.nim

@@ -13,8 +13,8 @@
 ##
 ## Supported syntax:
 ##
-## 1. short options - ``-abcd``, where a, b, c, d are names
-## 2. long option - ``--foo:bar``, ``--foo=bar`` or ``--foo``
+## 1. short options - `-abcd`, where a, b, c, d are names
+## 2. long option - `--foo:bar`, `--foo=bar` or `--foo`
 ## 3. argument - everything else
 
 {.deprecated: "Use the 'parseopt' module instead".}
@@ -29,16 +29,16 @@ type
   CmdLineKind* = enum         ## the detected command line token
     cmdEnd,                   ## end of command line reached
     cmdArgument,              ## argument detected
-    cmdLongOption,            ## a long option ``--option`` detected
-    cmdShortOption            ## a short option ``-c`` detected
+    cmdLongOption,            ## a long option `--option` detected
+    cmdShortOption            ## a short option `-c` detected
   OptParser* =
       object of RootObj ## this object implements the command line parser
     cmd: seq[string]
     pos: int
     remainingShortOptions: string
     kind*: CmdLineKind        ## the detected command line token
-    key*, val*: string        ## key and value pair; ``key`` is the option
-                              ## or the argument, ``value`` is not "" if
+    key*, val*: string        ## key and value pair; `key` is the option
+                              ## or the argument, `value` is not "" if
                               ## the option was given a value
 
 proc initOptParser*(cmdline: seq[string]): OptParser {.rtl.} =

lib/deprecated/pure/securehash.nim

@@ -1,6 +1,6 @@
 
 
-## This module is a deprecated alias for the ``sha1`` module.
+## This module is a deprecated alias for the `sha1` module.
 {.deprecated.}
 
 include "../std/sha1"