8.9199065,6.1390961 9.1162816,5.8045312 9.1162816,5.4699662 q 0,-0.5091205 -0.3491113,-0.7927734 \
-0.3491111,-0.2909259 -0.9746021,-0.2909259 -0.5891252,0 -1.2728012,0.247287 \
-0.6836761,0.240014 -1.4255375,0.720042 V 3.0698267 q 0.8800513,-0.3054724 1.6073661,-0.4509353 \
0.7273151,-0.145463 1.403718,-0.145463 1.7746486,0 2.7056104,0.727315 0.930965,0.720042 \
0.930965,2.1092135 0,0.7127686 -0.283654,1.2800746 -0.283652,0.5600324 -0.967329,1.2073428 \
L 10.025425,8.2119439 Q 9.530851,8.6628792 9.3781148,8.9392588 9.2253789,9.2083654 \
9.2253789,9.535657 Z M 6.5997716,10.939376 h 2.6256073 v 2.589241 H 6.5997716 Z' \
style='fill:%23f8f8f8;stroke-width:1.35412836' /%3e%3c/svg%3e ");
  background-repeat: no-repeat;
  background-position: center;
  /* When not using a background image, this additional style works
     reasonably well along with a ::before content of "?": */
  /*border-width: 1px;
  border-style: outset;
  border-radius: 0.5em;

  db_prepare(&q,
       /*   0    1     2   3     4   5    6     7 */
    "SELECT fnp, ridp, fn, ridv, sz, fnm, ridm, fnr"
    "  FROM mergestat WHERE rowid IN mi_html"
    "  ORDER BY coalesce(fnr,fn,fnp)"
  );

  while( SQLITE_ROW==db_step(&q) ){
    const char * zFN;                /* A filename */
    char * zToFree[5] = {0,0,0,0,0}; /* String memory to free */
    unsigned zToFreeNdx = 0;         /* Current index into zToFree */
    int rid = 0;                     /* A blob rid */
    int sz;                          /* File size */
    unsigned int i;                  /* Loop counter */

    for(i = 0; i < zToFreeNdx; ++i ){
      fossil_free(zToFree[i]);
      zToFree[i] = 0;
    }
  }/* for-each-file loop */
  db_finalize(&q);
  mb->xDestroy(mb);


  blob_append(&out, diff_webpage_footer(), -1);
  blob_reset(&v1);
  blob_reset(&v2);
  blob_reset(&pivot);
  blob_append_char(&out, '\n');
  blob_write_to_file(&out, "-");

  MergeBuilderHtml *pH = (MergeBuilderHtml*)p;
  unsigned int i;

  for(i = 0; i < sizeof(pH->aCol)/sizeof(Blob); ++i){
    blob_zero(&pH->aCol[i]);
  }
  /* TODO: open HTML table in p->pOut */
  blob_appendf(p->pOut, "<h1>%h &rarr; (%h, %h) &rarr; %h</h1>",
               p->zPivot, p->zV1, p->zV2, p->zOut);
  /* Reminder; MergeBuilder does not currently contain enough state to
  ** let us include version info in this diff. We have the raw content
  ** of p->pPivot and p->pV2, but p->pV1 may be locally edited.  We
  ** can't readily know whether we need to use SHA1 or SHA3 to find it
  ** in the blob table. */
  blob_append(p->pOut,
              "<table class='diff'><tbody>"
              "<tr class='diffchunk'>\n", -1);
#define DCOL(KEY,KLASS,DUMMY)                                  \
  blob_appendf(&pH->aCol[KEY], "<td class='" KLASS "'><pre>%h", DUMMY)
  DCOL(MBH_COL_BASELINE_LN,  "mrgBaseLn diffln", "###");
  DCOL(MBH_COL_BASELINE,     "mrgBase", "merge base");
  DCOL(MBH_COL_BASELINE_SEP, "mrgBaseSep diffsep", " ");
  DCOL(MBH_COL_LOCAL_LN,     "mrgLocalLn diffln", "###");
  DCOL(MBH_COL_LOCAL,        "mrgLocal", "local");
  DCOL(MBH_COL_LOCAL_SEP,    "mrgLocalSep diffsep", " ");
  DCOL(MBH_COL_MERGEDIN_LN,  "mrgMILn diffln", "###");
  DCOL(MBH_COL_MERGEDIN,     "mrgMI", "merged-in");
  DCOL(MBH_COL_MERGEDIN_SEP, "mrgMISep diffsep", " ");
  DCOL(MBH_COL_RESULT_LN,    "mrgResLn diffln", "###");
  DCOL(MBH_COL_RESULT,       "mrgRes", "merge result");
#undef DCOL
}

/* MergeBuilderHtml::xEnd() */
static void htmlEnd(MergeBuilder *p){
  MergeBuilderHtml *pH = (MergeBuilderHtml*)p;
  unsigned int i;

  /* TODO: flush pH->aCol to p->pOut and close HTML table */
  for(i = 0; i < sizeof(pH->aCol)/sizeof(Blob); ++i){
    blob_appendf(&pH->aCol[i], "</pre></td><!-- end col-#%u -->", i);
    blob_append_xfer(p->pOut, &pH->aCol[i]);
  }
  blob_append(p->pOut, "</tbody></table>\n", -1);
  p->pV1 = p->pV2 = p->pPivot = p->pOut = 0;
  p->zPivot = p->zV1 = p->zV2 = p->zOut = 0;
}

/* MergeBuilderHtml::xSame() */
static void htmlSame(MergeBuilder *p, unsigned int N){
  /*dbgSame(p, N);*/
}
/* MergeBuilderHtml::xChngV1() */
static void htmlChngV1(MergeBuilder *p, unsigned int nPivot, unsigned int nV1){
  /*dbgChngV1(p, nPivot, nV1);*/
}
/* MergeBuilderHtml::xChngV2() */
static void htmlChngV2(MergeBuilder *p, unsigned int nPivot, unsigned int nV2){
  /*dbgChngV2(p, nPivot, nV2);*/
}
/* MergeBuilderHtml::xChngBoth() */
static void htmlChngBoth(MergeBuilder *p, unsigned int nPivot, unsigned int nV){
  /*dbgChngBoth(p, nPivot, nV);*/
}
/* MergeBuilderHtml::xConflict() */
static void htmlConflict(
  MergeBuilder *p,
  unsigned int nPivot,
  unsigned int nV1,
  unsigned int nV2
){
  /*dbgConflict(p, nPivot, nV1, nV2);*/
}
void mergebuilder_init_html(MergeBuilderHtml *pH){
  MergeBuilder *p = &pH->base;
  unsigned int i;
  mergebuilder_init(p);
  p->xStart = htmlStart;
  p->xEnd = htmlEnd;