[elpa] externals/bnf-mode f00384e 10/74: Change comment syntax

[Stefan Monnier]

branch: externals/bnf-mode
commit f00384e485052655042df8aabd6942bdcd8cbc6b
Author: Serghei Iakovlev <address@hidden>
Commit: Serghei Iakovlev <address@hidden>

    Change comment syntax
---
 CHANGELOG.org |  3 +++
 README.org    | 10 ++++++++--
 bnf-mode.el   | 28 +++++++++++++---------------
 3 files changed, 24 insertions(+), 17 deletions(-)

diff --git a/CHANGELOG.org b/CHANGELOG.org
index eabf01d..e68ace6 100644
--- a/CHANGELOG.org
+++ b/CHANGELOG.org
@@ -5,6 +5,9 @@ All notable changes to this project will be documented in this 
file.
 The format is based on [[http://keepachangelog.com][Keep a Changelog]] and 
this project adheres to [[http://semver.org][Semantic Versioning]].
 
 ** [[https://github.com/sergeyklay/bnf-mode/compare/0.1.0...HEAD][Unreleased]]
+*** Changed
+- Changed comment syntax from ~#~ to ~;~ to follow 
[[https://tools.ietf.org/html/rfc822#section-2.8][RFC822#2.8]] .
+- Comments no longer use syntax table.  For more see `comment-use-syntax'.
 
 ** 0.1.0 - 2019-03-16
 *** Added
diff --git a/README.org b/README.org
index 7f8f2d0..71d405c 100644
--- a/README.org
+++ b/README.org
@@ -8,9 +8,15 @@ A GNU Emacs major mode for editing BNF grammars.
 Currently provides basic syntax and font-locking for BNF files.
 EBNF and ABNF are in my plans for the near future.
 
+When developing this mode, the following RFCs were taken into account:
+
+- [[https://www.ietf.org/rfc/rfc822.txt][RFC822]]: Standard for ARPA Internet 
Text Messages
+- [[https://www.ietf.org/rfc/rfc5234.txt][RFC5234]]: Augmented BNF for Syntax 
Specifications: ABNF
+
 ** Features
 
-1. Syntax highlighting
+- Basic syntax definition
+- Syntax highlighting
 
 ** Installation
 
@@ -74,8 +80,8 @@ To see what has changed in recent versions of BNF Mode, see 
the [[https://github
 
 ** External Links
 
-- [[https://tools.ietf.org/html/rfc5234][RFC 5234: Augmented BNF for Syntax 
Specifications: ABNF]]
 - [[https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form][Wikipedia: 
Backus–Naur form]]
+- [[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 96c7ac2..0ebe02e 100644
--- a/bnf-mode.el
+++ b/bnf-mode.el
@@ -4,7 +4,7 @@
 
 ;; Author: Serghei Iakovlev (concat "sadhooklay" "@" "gmail" ".com")
 ;; Maintainer: Serghei Iakovlev
-;; Version: 0.1.0
+;; Version: 0.2.0
 ;; URL: https://github.com/sergeyklay/bnf-mode
 ;; Keywords: languages
 ;; Package-Requires: ((cl-lib "0.5") (pkg-info "0.4") (emacs "24.3"))
@@ -33,6 +33,14 @@
 ;;   GNU Emacs major mode for editing BNF grammars.  Currently this mode
 ;; provides basic syntax and font-locking for "*.bnf" files.
 ;;
+;; When developing this mode, the following RFCs were taken into account:
+;;
+;; - RFC822: Standard for ARPA Internet Text Messages [1]
+;; - RFC5234: Augmented BNF for Syntax Specifications: ABNF [2]
+;;
+;; [1]: https://www.ietf.org/rfc/rfc822.txt
+;; [2]: https://www.ietf.org/rfc/rfc5234.txt
+;;
 ;; Usage:  Put this file in your Emacs Lisp path (eg. site-lisp) and add to
 ;; your .emacs file:
 ;;
@@ -47,15 +55,6 @@
 ;;; Code:
 
 
-;;; Compatibility
-
-;; Work around emacs bug#18845, cc-mode expects cl to be loaded
-;; while bnf-mode only uses cl-lib (without compatibility aliases)
-(eval-and-compile
-  (if (and (= emacs-major-version 24) (>= emacs-minor-version 4))
-      (require 'cl)))
-
-
 ;;; Requirements
 
 ;; Tell the byte compiler about autoloaded functions from packages
@@ -185,7 +184,7 @@ See `rx' documentation for more information about REGEXPS 
param."
     ;; Characters used to delimit string constants
     (modify-syntax-entry ?\"  "\""  table)
     ;; Comments setup
-    (modify-syntax-entry ?#   "<"   table)
+    (modify-syntax-entry ?\;  "<"   table)
     (modify-syntax-entry ?\n  ">"   table)
     ;; Treat ::= as sequence of symbols
     (modify-syntax-entry ?\:  "_"   table)
@@ -204,9 +203,8 @@ See `rx' documentation for more information about REGEXPS 
param."
   :syntax-table bnf-mode-syntax-table
   :group 'bnf-mode
   ;; Comment setup
-  (setq-local comment-use-syntax t)
-  (setq-local comment-auto-fill-only-comments t)
-  (setq-local comment-start "# ")
+  (setq-local comment-use-syntax nil)
+  (setq-local comment-start "; ")
   (setq-local comment-end "")
   (setq-local font-lock-keyword-face 'php-keyword)
   ;; Font locking
@@ -215,7 +213,7 @@ See `rx' documentation for more information about REGEXPS 
param."
                              bnf-font-lock-keywords
                              ;; keywords-only
                              nil
-                             ;; Regarding RFC-5234
+                             ;; Regarding RFC5234
                              ;; The names <rulename>, <Rulename>, <RULENAME>,
                              ;; and <rUlENamE> all refer to the same rule.
                              t