Fossil

  const struct MarkdownToHtml* ctx = (struct MarkdownToHtml*)opaque;
  const bitfield64_t l = to_base26(locus-1,0);
  char pos[32];
  memset(pos,0,32);
  assert( locus > 0 );
  /* expect BUGs if the following yields compiler warnings */
  if( iMark > 0 ){      /* a regular reference to a footnote */
    sprintf(pos, "%s-%d-%s", ctx->unique.c, iMark, l.c);
    sqlite3_snprintf(sizeof(pos), pos, "%s-%d-%s", ctx->unique.c, iMark, l.c);
    if(span && blob_size(span)) {
      blob_append_literal(ob,"<span class='");
      append_footnote_upc(ob, upc, 0);
      blob_append_literal(ob,"notescope' id='noteref");
      blob_appendf(ob,"%s'>",pos);
      blob_appendb(ob, span);
      blob_trim(ob);

      BLOB_APPEND_URI(ob, ctx);
      blob_appendf(ob,"#footnote%s' id='noteref%s'>%d</a></sup>",
                      pos,           pos,  iMark);
    }
  }else{              /* misreference */
    assert( iMark == -1 );

    sprintf(pos, "%s-%s", ctx->unique.c, l.c);
    sqlite3_snprintf(sizeof(pos), pos, "%s-%s", ctx->unique.c, l.c);
    if(span && blob_size(span)) {
      blob_appendf(ob, "<span class='notescope' id='misref%s'>", pos);
      blob_appendb(ob, span);
      blob_trim(ob);
      blob_append_literal(ob, "<sup class='noteref misref'><a href='");
      BLOB_APPEND_URI(ob, ctx);
      blob_appendf(ob, "#misreference%s'>misref</a></sup></span>", pos);

    #define _joined_footnote_indicator "<ul class='fn-joined'>"
    #define _jfi_sz (sizeof(_joined_footnote_indicator)-1)
    /* make.footnote_item() invocations should pass args accordingly */
    const struct Blob *upc = text+1;
    assert( text );
    /* allow blob_size(text)==0 for constructs like  [...](^ [] ())  */
    memset(pos,0,24);
    sprintf(pos, "%s-%d", unique, iMark);
    sqlite3_snprintf(sizeof(pos), pos, "%s-%d", unique, iMark);
    blob_appendf(ob, "<li id='footnote%s' class='", pos);
    if( nUsed ){
      if( blob_size(text)>=_jfi_sz &&
         !memcmp(blob_buffer(text),_joined_footnote_indicator,_jfi_sz)){
        bJoin = 1;
        blob_append_literal(ob, "fn-joined ");
      }

    html_escape(ob, blob_buffer(link)+7, blob_size(link)-7);
  }else{
    html_escape(ob, blob_buffer(link), blob_size(link));
  }
  blob_append_literal(ob, "</a>");
  return 1;
}

/*
** Flags for use with/via pikchr_to_html_add_flags().
*/
static int pikchrToHtmlFlags = 0;
/*
** Sets additional pikchr_process() flags to use for all future calls
** to pikch_to_html(). This is intended to be used by commands such as
** test-wiki-render and test-markdown-render to set the
** PIKCHR_PROCESS_DARK_MODE flag for all embedded pikchr elements.
**
** Not all PIKCHR_PROCESS flags are legal, as pikchr_to_html()
** hard-codes a subset of flags and passing arbitrary flags here may
** interfere with that.
**
** The only tested/intended use of this function is to pass it either
** 0 or PIKCHR_PROCESS_DARK_MODE.
**
** Design note: this is not implemented as an additional argument to
** pikchr_to_html() because the commands for which dark-mode rendering
** are now supported (test-wiki-render and test-markdown-render) are
** far removed from their corresponding pikchr_to_html() calls and
** there is no direct path from those commands to those calls. A
** cleaner, but much more invasive, approach would be to add a flag to
** markdown_to_html(), extend the WIKI_... flags with
** WIKI_DARK_PIKCHR, and extend both wiki.c:Renderer and
** markdown_html.c:MarkdownToHtml to contain and pass on that flag.
*/
void pikchr_to_html_add_flags( int f ){
  pikchrToHtmlFlags = f;
}

/*
** The nSrc bytes at zSrc[] are Pikchr input text (allegedly).  Process that
** text and insert the result in place of the original.
*/
void pikchr_to_html(
  Blob *ob,                     /* Write the generated SVG here */
  const char *zSrc, int nSrc,   /* The Pikchr source text */
  const char *zArg, int nArg    /* Addition arguments */
){
  int pikFlags = PIKCHR_PROCESS_NONCE
    | PIKCHR_PROCESS_DIV
    | PIKCHR_PROCESS_SRC
    | PIKCHR_PROCESS_ERR_PRE;
    | PIKCHR_PROCESS_ERR_PRE
    | pikchrToHtmlFlags;
  Blob bSrc = empty_blob;
  const char *zPikVar;
  double rPikVar;

  while( nArg>0 ){
    int i;
    for(i=0; i<nArg && !fossil_isspace(zArg[i]); i++){}

){
  char *zLink = blob_buffer(link);
  char *zTitle = title!=0 && blob_size(title)>0 ? blob_str(title) : 0;
  char zClose[20];

  if( zLink==0 || zLink[0]==0 ){
    zClose[0] = 0;
  }else{  
    static const int flags = 
  }else{
    static const int flags =
       WIKI_NOBADLINKS |
       WIKI_MARKDOWNLINKS
    ;
    wiki_resolve_hyperlink(ob, flags, zLink, zClose, sizeof(zClose), 0, zTitle);
  }
  if( blob_size(content)==0 ){
    if( link ) blob_appendb(ob, link);