Deprecated #(...)# block comments

README.md

@@ -63,7 +63,6 @@ Pattern            | Meaning
 `pat1==pat2`       | `pat1`, assuming `pat2` also matches with the same length
 `pat1!=pat2`       | `pat1`, unless `pat2` also matches with the same length
 `name:pat2`        | `name` is defined to mean `pat`
-`#( block comment )#` | A block comment
 `# line comment`   | A line comment
 
 See `man ./bp.1` for more details.

bp.1

@@ -191,9 +191,6 @@ exact same length. Pronounced \fI<pat1>\fB-assuming-it-doesn't-equal-\fI<pat2>\f
 This pattern matches the indentation at the beginning of a line that has the
 same indentation as the line before (or zero indentation on the first line).
 
-.B #( \fI<comment>\fR )#
-A block comment (can be nested)
-
 .B # \fI<comment>\fR
 A line comment
 

grammars/bpeg.bp

@@ -74,8 +74,4 @@ $:  !.
 
 id: "^^" / "^" / "__" / "_" / "$$" / "$" / "|" / `a-z,A-Z *`a-z,A-Z,0-9,-
 
-line-comment: `# .. $
-block-comment: "#("..")#" % block-comment
-
-# Note: comments are undefined by default in regular BP
-comment: block-comment / line-comment
+comment: `# .. $

utils.c

@@ -14,7 +14,6 @@
 //
 const char *after_spaces(const char *str)
 {
-    int block_comment_depth = 0;
     // Skip whitespace and comments:
   skip_whitespace:
     switch (*str) {
@@ -23,20 +22,7 @@ const char *after_spaces(const char *str)
             goto skip_whitespace;
         }
         case '#': {
-            if (str[1] == '(') {
-                ++block_comment_depth;
-                for (str += 2; *str && block_comment_depth > 0; ++str) {
-                    if (str[0] == '#' && str[1] == '(') {
-                        ++block_comment_depth;
-                        ++str;
-                    } else if (str[0] == ')' && str[1] == '#') {
-                        --block_comment_depth;
-                        ++str;
-                    }
-                }
-            } else {
-                while (*str && *str != '\n') ++str;
-            }
+            while (*str && *str != '\n') ++str;
             goto skip_whitespace;
         }
     }