/********************
 * GLOBAL VARIABLES *
 ********************/

/* block_tags -- recognised block tags, sorted by cmp_html_tag */





static const struct html_tag block_tags[] = {
  { "p",            1 },
  { "dl",           2 },
  { "h1",           2 },
  { "h2",           2 },
  { "h3",           2 },
  { "h4",           2 },
  { "h5",           2 },
  { "h6",           2 },
  { "ol",           2 },
  { "ul",           2 },
  { "del",          3 },
  { "div",          3 },
  { "ins",          3 },
  { "pre",          3 },
  { "form",         4 },
  { "math",         4 },
  { "table",        5 },
  { "iframe",       6 },
  { "script",       6 },
  { "fieldset",     8 },
  { "noscript",     8 },
  { "blockquote",  10 }
};

#define INS_TAG (block_tags + 12)
#define DEL_TAG (block_tags + 10)



/***************************
 * STATIC HELPER FUNCTIONS *
 ***************************/

/* build_ref_id -- collapse whitespace from input text to make it a ref id */

      }
    }

    /* no special case recognised */
    return 0;
  }

  /* looking for an unindented matching closing tag */
  /*  followed by a blank line */
  i = 1;
  found = 0;
#if 0
  while( i<size ){
    i++;
    while( i<size && !(data[i-2]=='\n' && data[i-1]=='<' && data[i]=='/') ){
      i++;
    }
    if( (i+2+curtag->size)>=size ) break;
    j = htmlblock_end(curtag, data+i-1, size-i+1);
    if (j) {
      i += j-1;
      found = 1;
      break;
    }
  }
#endif

  /* if not found, trying a second pass looking for indented match */
  /* but not if tag is "ins" or "del" (following original Markdown.pl) */
  if( !found && curtag!=INS_TAG && curtag!=DEL_TAG ){
    i = 1;
    while( i<size ){
      i++;
      while( i<size && !(data[i-1]=='<' && data[i]=='/') ){ i++; }
      if( (i+2+curtag->size)>=size ) break;
      j = htmlblock_end(curtag, data+i-1, size-i+1);
      if (j) {
        i += j-1;
        found = 1;
        break;
      }
    }
  }

  if( !found ) return 0;

  /* the end of the block has been found */
  blob_init(&work, data, i);
  if( rndr->make.blockhtml ){
    rndr->make.blockhtml(ob, &work, rndr->make.opaque);
  }