More raku change

+ edit contributing.md, change extensions of escape and unescape files
+ rename lp6iym.p6 to lriym.raku

Author: sumanstats

CONTRIBUTING.md

@@ -34,7 +34,7 @@ This will install and link to the folder you just cloned. Now you are ready to
 start hacking away!
 
 ### The issue tracker and you
-For the purposes of this project, a *bug* is anything which alters the
+For the purpose of this project, a *bug* is anything which alters the
 highlighting of surrounding text. An *issue* is anything that highlighting
 currently works on, but fails to work in some conditions.
 Anything else is an *enhancement* .
@@ -71,11 +71,11 @@ Because of this, a priority system is the best way to categorize any issues.
   ### Escaping
   **Important escaping is very easy to mess up. Use the included scripts to get to an unescaped version, edit on that one, and then escape it again**
 
- * The best thing to use when editing is use `dev/escape.p6` or `dev/unescape.p6` to escape or unescape text. These scripts accept STDIN and output an escaped/unescaped version.
+ * The best thing to use when editing is use `dev/escape.raku` or `dev/unescape.raku` to escape or unescape text. These scripts accept STDIN and output an escaped/unescaped version.
 
-* I usually copy the text `xclip -o | dev/unescape.p6` work on the text and then copy back and do`xclip -o | dev/escape.p6`
+* I usually copy the text `xclip -o | dev/unescape.raku` work on the text and then copy back and do`xclip -o | dev/escape.raku`
 
-* (though often I do `xclip -o | dev/Xescape.p6 | xclip` and it lands right back on the clipboard but in a differently escaped version. This will prevent accidents with the escaping which are very easy to do (can cause silent bugs or worse).
+* (though often I do `xclip -o | dev/Xescape.raku | xclip` and it lands right back on the clipboard but in a differently escaped version. This will prevent accidents with the escaping which are very easy to do (can cause silent bugs or worse).
 
 ### Oniguruma Regex Engine
 * The Oniguruma regex engine is used by all programs which utilize
@@ -133,11 +133,11 @@ of the rule you are working on.
 ### Show me the source already!
 The majority of the grammar is included in `grammars/raku.cson`.
 The `q[]`, `qq[]`, `Q[]`, `"…"` etc. quoting is generated by
-`dev/q-qq-Q-template.p6`. Multi-line comments are also generated. The q
+`dev/q-qq-Q-template.raku`. Multi-line comments are also generated. The q
 types of quoting are added to `raku.quoting.cson`. The standard quotation
 marks are added to `raku.cson`.
 
-Once you have edited `q-qq-Q-template.p6`, run `dev/replace.sh` which uses
+Once you have edited `q-qq-Q-template.raku`, run `dev/replace.sh` which uses
 awk to do the replacement. Eventually it will be nice if we had a purely Raku
 solution.