Fossil

  int i;
  for(i=3; i<n-1; i++){
    if( z[i]==' ' && z[i+1]!=' ' && z[i-1]==' ' && z[i-2]!='.' ) return i+1;
  }
  return 0 ;
}




































/*
** Input string zIn starts with '['.  If the content is a hyperlink of the
** form [[...]] then return the index of the closing ']'.  Otherwise return 0.
*/
static int help_is_link(const char *z, int n){
  int i;
  char c;
  if( n<5 ) return 0;
  if( z[1]!='[' ) return 0;
  for(i=3; i<n && (c = z[i])!=0; i++){
    if( c==']' && z[i-1]==']' ) return i;
  }
  return 0;
}

/*
** Append text to pOut with changes:
**
**    *   Add hyperlink markup for [[...]]
**    *   Escape HTML characters: < > & and "
**    *   Change "%fossil" to just "fossil"
*/
static void appendLinked(Blob *pOut, const char *z, int n){
  int i = 0;
  int j;
  while( i<n ){
    char c = z[i];
    if( c=='[' && (j = help_is_link(z+i, n-i))>0 ){
      if( i ) blob_append(pOut, z, i);
      z += i+2;
      n -= i+2;
      blob_appendf(pOut, "<a href='%R/help?cmd=%.*s'>%.*s</a>",
         j-3, z, j-3, z);
      z += j-1;
      n -= j-1;
      i = 0;
    }else if( c=='%' && n-i>=7 && strncmp(z+i,"%fossil",7)==0 ){
      if( i ) blob_append(pOut, z, i);
      z += i+7;
      n -= i+7;
      blob_append(pOut, "fossil", 6);
      i = 0;
    }else if( c=='<' ){
      if( i ) blob_append(pOut, z, i);
      blob_append(pOut, "&lt;", 4);
      z += i+1;
      n -= i+1;
      i = 0;
    }else if( c=='>' ){
      if( i ) blob_append(pOut, z, i);
      blob_append(pOut, "&gt;", 4);
      z += i+1;
      n -= i+1;
      i = 0;
    }else if( c=='&' ){
      if( i ) blob_append(pOut, z, i);
      blob_append(pOut, "&amp;", 5);
      z += i+1;
      n -= i+1;
      i = 0;
    }else{
      i++;
    }
  }
  blob_append(pOut, z, i);
}

/*
** Append text to pOut, adding formatting markup.  Terms that
** have all lower-case letters are within <tt>..</tt>.  Terms
** that have all upper-case letters are within <i>..</i>.
*/
static void appendMixedFont(Blob *pOut, const char *z, int n){
  const char *zEnd = "";
  int i = 0;
  int j;
  while( i<n ){
    if( z[i]==' ' || z[i]=='=' ){
      for(j=i+1; j<n && (z[j]==' ' || z[j]=='='); j++){}
      appendLinked(pOut, z+i, j-i);
      i = j;
    }else{
      for(j=i; j<n && z[j]!=' ' && z[j]!='=' && !fossil_isalpha(z[j]); j++){}
      if( j>=n || z[j]==' ' || z[j]=='=' ){
        zEnd = "";
      }else{
        if( fossil_isupper(z[j]) && z[i]!='-' ){
          blob_append(pOut, "<i>",3);
          zEnd = "</i>";
        }else{
          blob_append(pOut, "<tt>", 4);
          zEnd = "</tt>";
        }
      }
      while( j<n && z[j]!=' ' && z[j]!='=' ){ j++; }
      appendLinked(pOut, z+i, j-i);
      if( zEnd[0] ) blob_append(pOut, zEnd, -1);
      i = j;
    }
  }
}

/*
** Attempt to reformat plain-text help into HTML for display on a webpage.
**
** The HTML output is appended to Blob pHtml, which should already be
** initialized.
**

  static const char *zEndUL = "</ul>";
  static const char *zEndDD = "</dd>";

  aIndent[0] = 0;
  azEnd[0] = "";
  while( zHelp[0] ){
    i = 0;
    while( (c = zHelp[i])!=0 && c!='\n' ){


      if( c=='%' && i>2 && zHelp[i-2]==':' && strncmp(zHelp+i,"%fossil",7)==0 ){


        appendLinked(pHtml, zHelp, i);
        zHelp += i+1;
        i = 0;
        wantBR = 1;
        continue;




      }
      i++;
    }
    if( i>2 && zHelp[0]=='>' && zHelp[1]==' ' ){
      isDT = 1;
      for(nIndent=1; nIndent<i && zHelp[nIndent]==' '; nIndent++){}
    }else{
      isDT = 0;
      for(nIndent=0; nIndent<i && zHelp[nIndent]==' '; nIndent++){}
    }
    if( nIndent==i ){
      if( c==0 ) break;
      if( iLevel && azEnd[iLevel]==zEndPRE ){
        /* Skip the newline at the end of a <pre> */
      }else{
        blob_append_char(pHtml, '\n');
      }
      wantP = 1;
      wantBR = 0;
      zHelp += i+1;
      continue;
    }
    if( nIndent+2<i && zHelp[nIndent]=='*' && zHelp[nIndent+1]==' ' ){
      nIndent += 2;

      if( iDD ){
        int x;
        assert( iLevel<ArraySize(aIndent)-1 );
        iLevel++;
        aIndent[iLevel] = x = nIndent+iDD;
        azEnd[iLevel] = zEndDD;
        appendMixedFont(pHtml, zHelp+nIndent, iDD-2);
        blob_append(pHtml, "</dt><dd>",9);
        appendLinked(pHtml, zHelp+x, i-x);
      }else{
        appendMixedFont(pHtml, zHelp+nIndent, i-nIndent);

      }
      blob_append(pHtml, "</dt>\n", 6);
    }else if( wantBR ){
      appendMixedFont(pHtml, zHelp+nIndent, i-nIndent);
      blob_append(pHtml, "<br>\n", 5);
      wantBR = 0;
    }else{
      appendLinked(pHtml, zHelp+nIndent, i-nIndent);
      blob_append_char(pHtml, '\n');

**    redirect: REPO URL       Extract the "name" query parameter and search
**                             REPO for a check-in or ticket that matches the
**                             value of "name", then redirect to URL.  There
**                             can be multiple "redirect:" lines that are
**                             processed in order.  If the REPO is "*", then
**                             an unconditional redirect to URL is taken.
**
**    jsmode: VALUE            Specifies the delivery mode for JavaScript
**                             files. See the help text for the --jsmode
**                             flag of the http command.
**
** Most CGI files contain only a "repository:" line.  It is uncommon to
** use any other option.
**
** See also: [[http]], [[server]], [[winsrv]]