Add periods to doc

lib/irb/context.rb

@@ -148,18 +148,18 @@ def main
 
     # The toplevel workspace, see #home_workspace
     attr_reader :workspace_home
-    # WorkSpace in the current context
+    # WorkSpace in the current context.
     attr_accessor :workspace
-    # The current thread in this context
+    # The current thread in this context.
     attr_reader :thread
-    # The current input method
+    # The current input method.
     #
     # Can be either StdioInputMethod, ReadlineInputMethod,
     # ReidlineInputMethod, FileInputMethod or other specified when the
     # context is created. See ::new for more # information on +input_method+.
     attr_accessor :io
 
-    # Current irb session
+    # Current irb session.
     attr_accessor :irb
     # A copy of the default <code>IRB.conf[:AP_NAME]</code>
     attr_accessor :ap_name
@@ -193,15 +193,15 @@ def main
 
     # A copy of the default <code>IRB.conf[:PROMPT_MODE]</code>
     attr_reader :prompt_mode
-    # Standard IRB prompt
+    # Standard IRB prompt.
     #
     # See IRB@Customizing+the+IRB+Prompt for more information.
     attr_accessor :prompt_i
-    # IRB prompt for continuated strings
+    # IRB prompt for continuated strings.
     #
     # See IRB@Customizing+the+IRB+Prompt for more information.
     attr_accessor :prompt_s
-    # IRB prompt for continuated statement (e.g. immediately after an +if+)
+    # IRB prompt for continuated statement. (e.g. immediately after an +if+)
     #
     # See IRB@Customizing+the+IRB+Prompt for more information.
     attr_accessor :prompt_c
@@ -252,7 +252,7 @@ def main
     #     puts "omg"
     #     # omg
     attr_accessor :echo
-    # Whether to echo for assignment expressions
+    # Whether to echo for assignment expressions.
     #
     # If set to +false+, the value of assignment will not be shown.
     #