Updated documentation

Author: nmke-de

README.md

@@ -36,6 +36,7 @@ Run `scalp [filename]` to receive notifications. Other than that,
 
 - `scalp add [filename]` will start a prompt to add a new entry.
 - `scalp change [filename]` will start a prompt to change the message of an existing entry.
+- `scalp copy [filename]` will start a prompt to copy an existing entry to a new time.
 - `scalp del [filename]` will start a prompt to delete an existing entry.
 - `scalp help` will show a help message.
 - `scalp list [filename]` will provide a list of known entries.

help.c

@@ -11,6 +11,7 @@ Running scalp without subcommand starts the daemon to notify you.\n\
 	add\tadd a new entry\n\
 	del\tdelete an entry\n\
 	change\tchange an entry's message\n\
+	copy\tcopy an entry (to a new date)\n\
 	help\tshow this message\n\
 	list\tlist all entries\n\
 	move\tmove an entry (to a new date)\n\

scalp.1

@@ -15,6 +15,10 @@ change
 .OP FILENAME
 .YS
 .SY scalp
+copy
+.OP FILENAME
+.YS
+.SY scalp
 del
 .OP FILENAME
 .YS
@@ -26,6 +30,10 @@ list
 .OP FILENAME
 .YS
 .SY scalp
+move
+.OP FILENAME
+.YS
+.SY scalp
 prune
 .OP FILENAME
 .YS
@@ -55,6 +63,10 @@ will prompt the user to enter a time and a message. The message must not be long
 will prompt the user to give a number, which corresponds to the entry that the user wants to change. After that, the user is prompted to enter a new message. Same rules apply as with 
 .B scalp add.
 .TP
+.B copy
+will prompt the user to give a number, which corresponds to the entry that the user wants to copy. After that, the user is prompted to enter a new time for the copied event. Same rules apply as with
+.B scalp add.
+.TP
 .B del
 will prompt the user to give a number, which corresponds to the entry that the user wants to delete.
 .TP