yui-knk	2018-07-16 11:07:44 +0900 (Mon, 16 Jul 2018)

  New Revision: 63976

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63976

  Log:
    parse.y (heredoc_identifier): Update comment for term_len

  Modified files:
    trunk/parse.y
Index: parse.y
===================================================================
--- parse.y	(revision 63975)
+++ parse.y	(revision 63976)
@@ -5980,7 +5980,11 @@ parse_string(struct parser_params *p, rb https://github.com/ruby/ruby/blob/trunk/parse.y#L5980
 static enum yytokentype
 heredoc_identifier(struct parser_params *p)
 {
-    int c = nextc(p), term, func = 0, term_len = 2; /* length of "<<" */
+    /*
+     * term_len is length of `<<"END"` except `END`,
+     * in this case term_len is 4 (<, <, " and ").
+     */
+    int c = nextc(p), term, func = 0, term_len = 2;
     enum yytokentype token = tSTRING_BEG;
     long len;
     int newline = 0;

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