[elpa] externals/bnf-mode defc412 11/74: Amended description and docs

[Stefan Monnier]

branch: externals/bnf-mode
commit defc4129e40999529c814eb0774c7510e20d148f
Author: Serghei Iakovlev <serg...@phalconphp.com>
Commit: Serghei Iakovlev <serg...@phalconphp.com>

    Amended description and docs
---
 CHANGELOG.org |  1 +
 README.org    | 11 ++++++++++-
 bnf-mode.el   | 15 +++++++--------
 3 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG.org b/CHANGELOG.org
index e68ace6..a0d2708 100644
--- a/CHANGELOG.org
+++ b/CHANGELOG.org
@@ -1,4 +1,5 @@
 #+TITLE: Change Log
+#+AUTHOR: Serghei Iakovlev
 
 All notable changes to this project will be documented in this file.
 
diff --git a/README.org b/README.org
index 71d405c..83f4a46 100644
--- a/README.org
+++ b/README.org
@@ -1,12 +1,20 @@
 #+TITLE: BNF Mode for GNU Emacs
+#+AUTHOR: Serghei Iakovlev
 
 
[[https://www.gnu.org/licenses/gpl-3.0.txt][https://img.shields.io/badge/license-GPL_3-green.svg]]
 
[[https://travis-ci.com/sergeyklay/bnf-mode][https://travis-ci.com/sergeyklay/bnf-mode.svg]]
 
 A GNU Emacs major mode for editing BNF grammars.
 
+#+begin_quote
+Precise language is not the problem.  Clear language is the problem.
+Richard Feynman
+#+end_quote
+
 Currently provides basic syntax and font-locking for BNF files.
-EBNF and ABNF are in my plans for the near future.
+EBNF and ABNF are in my plans for the near future.  At this time BNF Mode
+is not an absolutely accurate implementation of the standards and
+recommendations, but I'll try to be as close to them as possible.
 
 When developing this mode, the following RFCs were taken into account:
 
@@ -81,6 +89,7 @@ To see what has changed in recent versions of BNF Mode, see 
the [[https://github
 ** External Links
 
 - [[https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form][Wikipedia: 
Backus–Naur form]]
+- [[https://www.cl.cam.ac.uk/~mgk25/iso-14977.pdf][ISO/IEC 14977: EBNF]]
 - [[https://www.ics.uci.edu/~pattis/ICS-33/lectures/ebnf.pdf][EBNF: A Notation 
to Describe Syntax]]
 
 ** License
diff --git a/bnf-mode.el b/bnf-mode.el
index 0ebe02e..dd3e1c1 100644
--- a/bnf-mode.el
+++ b/bnf-mode.el
@@ -61,10 +61,10 @@
 (declare-function pkg-info-version-info "pkg-info" (package))
 
 (eval-when-compile
-  (require 'rx))
+  (require 'rx))    ; `rx'
 
-(require 'cl-lib)
-(require 'pkg-info)
+(require 'cl-lib)   ; `cl-defmacro'
+(require 'pkg-info) ; `pkg-info-version-info'
 
 
 ;;; Customization
@@ -130,8 +130,7 @@ are available:
       name itself, that is, a sequence of characters, beginning
       with an alphabetic character, and followed by a combination
       of alphabetics, digits, and hyphens (dashes).
-
-      For more see: https://tools.ietf.org/html/rfc5234#section-2.1
+      For more see RFC5234#2.1
 
 See `rx' documentation for more information about REGEXPS param."
      (let ((rx-constituents (append bnf-rx-constituents rx-constituents)))
@@ -183,7 +182,7 @@ See `rx' documentation for more information about REGEXPS 
param."
     (modify-syntax-entry ?\^m "> b" table)
     ;; Characters used to delimit string constants
     (modify-syntax-entry ?\"  "\""  table)
-    ;; Comments setup
+    ;; Comments setup (see RFC822#2.8)
     (modify-syntax-entry ?\;  "<"   table)
     (modify-syntax-entry ?\n  ">"   table)
     ;; Treat ::= as sequence of symbols
@@ -202,7 +201,7 @@ See `rx' documentation for more information about REGEXPS 
param."
   "A major mode for editing BNF grammars."
   :syntax-table bnf-mode-syntax-table
   :group 'bnf-mode
-  ;; Comment setup
+  ;; Comment setup (for more see RFC822#2.8)
   (setq-local comment-use-syntax nil)
   (setq-local comment-start "; ")
   (setq-local comment-end "")
@@ -213,7 +212,7 @@ See `rx' documentation for more information about REGEXPS 
param."
                              bnf-font-lock-keywords
                              ;; keywords-only
                              nil
-                             ;; Regarding RFC5234
+                             ;; Regarding to RFC5234#2.1
                              ;; The names <rulename>, <Rulename>, <RULENAME>,
                              ;; and <rUlENamE> all refer to the same rule.
                              t