[Invalid] Markup Validation of http://www.ehcomunicacion.com/accesible/ehcomunicacion-posicionamiento.html

Errors found while checking this document as XHTML 1.0 Strict!

Result:

3 Errors, 3 warning(s)

Address:

Encoding:

iso-8859-1

Doctype:

XHTML 1.0 Strict

Root Element:

html

Root Namespace:

Options

Help on the options is available.

Line 26, Column 30: processing instruction does not start with name
```
    <? include("menu2.php"); ?>
```
✉
Line 27, Column 40: processing instruction does not start with name
```
      <? include("adsense-46815.php"); ?>
```
✉
Line 47, Column 42: processing instruction does not start with name
```
        <? include("adsense-46860.php"); ?>
```
✉
Line 26, Column 6: xmlParsePI : no target name
```
    <? include("menu2.php"); ?>
```
✉
Line 27, Column 8: xmlParsePI : no target name
```
      <? include("adsense-46815.php"); ?>
```
✉
Line 47, Column 10: xmlParsePI : no target name
```
        <? include("adsense-46860.php"); ?>
```
✉