I use to follow the sqlite3 development almost daily (updating my cloned repository) and today I'm getting a conflict in a file that I don't have made any custom changes src/epr.c (see below) and I'm reporting it here just in case it can give a clue in how (if possible/convenient) improve fossil (if at all because it seems strange that it generates a conflict following the main repository).

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ExprList *sqlite3ExprListAppend(
  Parse *pParse,          /* Parsing context */
  ExprList *pList,        /* List to which to append. Might be NULL */
  Expr *pExpr             /* Expression to be appended. Might be NULL */
){
  struct ExprList_item *pItem;
  if( pList==0 ){
<<<<<<< BEGIN MERGE CONFLICT: local copy shown first <<<<<<<<<<<<<<<
    pList = sqlite3DbMallocRawNN(db, sizeof(ExprList) );
    if( pList==0 ){
      goto no_mem;
    }
    pList->nExpr = 0;
  }else if( (pList->nExpr & (pList->nExpr-1))==0 ){
    ExprList *pNew;
    pNew = sqlite3DbRealloc(db, pList,
         sizeof(*pList)+(2*(sqlite3_int64)pList->nExpr-1)*sizeof(pList->a[0]));
    if( pNew==0 ){
      goto no_mem;
    }
    pList = pNew;
||||||| COMMON ANCESTOR content follows ||||||||||||||||||||||||||||
    pList = sqlite3DbMallocRawNN(db, sizeof(ExprList) );
    if( pList==0 ){
      goto no_mem;
    }
    pList->nExpr = 0;
  }else if( (pList->nExpr & (pList->nExpr-1))==0 ){
    ExprList *pNew;
    pNew = sqlite3DbRealloc(db, pList, 
         sizeof(*pList)+(2*(sqlite3_int64)pList->nExpr-1)*sizeof(pList->a[0]));
    if( pNew==0 ){
      goto no_mem;
    }
    pList = pNew;
======= MERGED IN content follows ==================================
    return sqlite3ExprListAppendNew(pParse->db,pExpr);
  }
  if( pList->nAlloc<pList->nExpr+1 ){
    return sqlite3ExprListAppendGrow(pParse->db,pList,pExpr);
>>>>>>> END MERGE CONFLICT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
  }
  pItem = &pList->a[pList->nExpr++];
  *pItem = zeroItem;
  pItem->pExpr = pExpr;
  return pList;
<<<<<<< BEGIN MERGE CONFLICT: local copy shown first <<<<<<<<<<<<<<<

no_mem:
  /* Avoid leaking memory if malloc has failed. */
  sqlite3ExprDelete(db, pExpr);
  sqlite3ExprListDelete(db, pList);
  return 0;
||||||| COMMON ANCESTOR content follows ||||||||||||||||||||||||||||

no_mem:     
  /* Avoid leaking memory if malloc has failed. */
  sqlite3ExprDelete(db, pExpr);
  sqlite3ExprListDelete(db, pList);
  return 0;
======= MERGED IN content follows ==================================
>>>>>>> END MERGE CONFLICT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
}
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