diff --git a/swad_HTML.c b/swad_HTML.c
index 52225232..ffad7726 100644
--- a/swad_HTML.c
+++ b/swad_HTML.c
@@ -792,7 +792,7 @@ void HTM_LABEL_End (void)
   }
 
 /*****************************************************************************/
-/******************************** Input text *********************************/
+/************************* Input text, email, url ****************************/
 /*****************************************************************************/
 
 void HTM_INPUT_TEXT (const char *Name,unsigned MaxLength,const char *Value,
@@ -829,6 +829,74 @@ void HTM_INPUT_TEXT (const char *Name,unsigned MaxLength,const char *Value,
    fprintf (Gbl.F.Out," />");
   }
 
+void HTM_INPUT_EMAIL (const char *Name,unsigned MaxLength,const char *Value,
+	              const char *fmt,...)
+  {
+   va_list ap;
+   int NumBytesPrinted;
+   char *Attr;
+
+   fprintf (Gbl.F.Out,"<input type=\"email\" id=\"%s\" name=\"%s\""
+		      " maxlength=\"%u\" value=\"%s\"",
+	    Name,Name,MaxLength,Value);
+
+   if (fmt)
+     {
+      if (fmt[0])
+	{
+	 va_start (ap,fmt);
+	 NumBytesPrinted = vasprintf (&Attr,fmt,ap);
+	 va_end (ap);
+
+	 if (NumBytesPrinted < 0)	// If memory allocation wasn't possible,
+					// or some other error occurs,
+					// vasprintf will return -1
+	    Lay_NotEnoughMemoryExit ();
+
+	 /***** Print attributes *****/
+	 fprintf (Gbl.F.Out," %s",Attr);
+
+	 free ((void *) Attr);
+	}
+     }
+
+   fprintf (Gbl.F.Out," />");
+  }
+
+void HTM_INPUT_URL (const char *Name,const char *Value,
+	            const char *fmt,...)
+  {
+   va_list ap;
+   int NumBytesPrinted;
+   char *Attr;
+
+   fprintf (Gbl.F.Out,"<input type=\"url\" id=\"%s\" name=\"%s\""
+		      " maxlength=\"%u\" value=\"%s\"",
+	    Name,Name,Cns_MAX_CHARS_WWW,Value);
+
+   if (fmt)
+     {
+      if (fmt[0])
+	{
+	 va_start (ap,fmt);
+	 NumBytesPrinted = vasprintf (&Attr,fmt,ap);
+	 va_end (ap);
+
+	 if (NumBytesPrinted < 0)	// If memory allocation wasn't possible,
+					// or some other error occurs,
+					// vasprintf will return -1
+	    Lay_NotEnoughMemoryExit ();
+
+	 /***** Print attributes *****/
+	 fprintf (Gbl.F.Out," %s",Attr);
+
+	 free ((void *) Attr);
+	}
+     }
+
+   fprintf (Gbl.F.Out," />");
+  }
+
 /*****************************************************************************/
 /********************************* Text areas ********************************/
 /*****************************************************************************/
diff --git a/swad_HTML.h b/swad_HTML.h
index c4f1fec0..112dfac7 100644
--- a/swad_HTML.h
+++ b/swad_HTML.h
@@ -91,6 +91,10 @@ void HTM_LABEL_End (void);
 
 void HTM_INPUT_TEXT (const char *Name,unsigned MaxLength,const char *Value,
 	             const char *fmt,...);
+void HTM_INPUT_EMAIL (const char *Name,unsigned MaxLength,const char *Value,
+	              const char *fmt,...);
+void HTM_INPUT_URL (const char *Name,const char *Value,
+	            const char *fmt,...);
 
 void HTM_TEXTAREA_Begin (const char *fmt,...);
 void HTM_TEXTAREA_End (void);
diff --git a/swad_ID.c b/swad_ID.c
index 200e5ed4..9009f59d 100644
--- a/swad_ID.c
+++ b/swad_ID.c
@@ -716,7 +716,7 @@ static void ID_ShowFormChangeUsrID (const struct UsrData *UsrDat,
       HTM_INPUT_TEXT ("NewID",ID_MAX_BYTES_USR_ID,
 		      UsrDat->IDs.Num ? UsrDat->IDs.List[UsrDat->IDs.Num - 1].ID :
 		                        "",	// Show the most recent ID
-		      " size=\"18\"");
+		      "size=\"18\"");
       fprintf (Gbl.F.Out,"<br />");
       Btn_PutCreateButtonInline (Txt_Add_this_ID);
       Frm_EndForm ();
diff --git a/swad_account.c b/swad_account.c
index 43b7b0ec..82b85d93 100644
--- a/swad_account.c
+++ b/swad_account.c
@@ -389,13 +389,9 @@ static void Acc_ShowFormRequestNewAccountWithParams (const char *NewNicknameWith
    HTM_TD_End ();
 
    HTM_TD_Begin ("class=\"LM\"");
-   fprintf (Gbl.F.Out,"<input type=\"email\" id=\"NewEmail\" name=\"NewEmail\""
-                      " size=\"18\" maxlength=\"%u\""
-                      " placeholder=\"%s\" value=\"%s\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_EMAIL_ADDRESS,
-            Txt_HELP_email,
-            NewEmail);
+   HTM_INPUT_EMAIL ("NewEmail",Cns_MAX_CHARS_EMAIL_ADDRESS,NewEmail,
+	            "size=\"18\" placeholder=\"%s\" required=\"required\"",
+                    Txt_HELP_email);
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_banner.c b/swad_banner.c
index 6d2e158c..3956d094 100644
--- a/swad_banner.c
+++ b/swad_banner.c
@@ -478,11 +478,10 @@ static void Ban_ListBannersForEdition (void)
       HTM_TD_Begin ("class=\"CM\"");
       Frm_StartForm (ActChgBanWWW);
       Ban_PutParamBanCodToEdit ();
-      fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-	                 " maxlength=\"%u\" value=\"%s\""
-                         " class=\"INPUT_WWW\""
-                         " onchange=\"document.getElementById('%s').submit();\" />",
-               Cns_MAX_CHARS_WWW,Ban->WWW,Gbl.Form.Id);
+      HTM_INPUT_URL ("WWW",Ban->WWW,
+		     "class=\"INPUT_WWW\""
+                     " onchange=\"document.getElementById('%s').submit();\"",
+		     Gbl.Form.Id);
       Frm_EndForm ();
       HTM_TD_End ();
 
@@ -891,11 +890,8 @@ static void Ban_PutFormToCreateBanner (void)
 
    /***** Banner WWW *****/
    HTM_TD_Begin ("class=\"CM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-                      " maxlength=\"%u\" value=\"%s\""
-                      " class=\"INPUT_WWW\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_WWW,Ban_EditingBan->WWW);
+   HTM_INPUT_URL ("WWW",Ban_EditingBan->WWW,
+		  "class=\"INPUT_WWW\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_centre.c b/swad_centre.c
index 7f4cf0ee..ccbeecf4 100644
--- a/swad_centre.c
+++ b/swad_centre.c
@@ -573,13 +573,10 @@ static void Ctr_Configuration (bool PrintView)
      {
       /* Form to change centre WWW */
       Frm_StartForm (ActChgCtrWWWCfg);
-      fprintf (Gbl.F.Out,"<input type=\"url\" id=\"WWW\" name=\"WWW\""
-			 " maxlength=\"%u\" value=\"%s\""
-			 " class=\"INPUT_WWW\""
-			 " onchange=\"document.getElementById('%s').submit();\" />",
-	       Cns_MAX_CHARS_WWW,
-	       Gbl.Hierarchy.Ctr.WWW,
-	       Gbl.Form.Id);
+      HTM_INPUT_URL ("WWW",Gbl.Hierarchy.Ctr.WWW,
+		     "class=\"INPUT_WWW\""
+		     " onchange=\"document.getElementById('%s').submit();\"",
+	             Gbl.Form.Id);
       Frm_EndForm ();
      }
    else	// I can not change centre WWW
@@ -1589,11 +1586,10 @@ static void Ctr_ListCentresForEdition (void)
 	{
 	 Frm_StartForm (ActChgCtrWWW);
 	 Ctr_PutParamOtherCtrCod (Ctr->CtrCod);
-	 fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-	                    " maxlength=\"%u\" value=\"%s\""
-                            " class=\"INPUT_WWW\""
-			    " onchange=\"document.getElementById('%s').submit();\" />",
-		  Cns_MAX_CHARS_WWW,Ctr->WWW,Gbl.Form.Id);
+	 HTM_INPUT_URL ("WWW",Ctr->WWW,
+			"class=\"INPUT_WWW\""
+			" onchange=\"document.getElementById('%s').submit();\"",
+			Gbl.Form.Id);
 	 Frm_EndForm ();
 	}
       else
@@ -2551,11 +2547,8 @@ static void Ctr_PutFormToCreateCentre (void)
 
    /***** Centre WWW *****/
    HTM_TD_Begin ("class=\"LM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-                      " maxlength=\"%u\" value=\"%s\""
-                      " class=\"INPUT_WWW\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_WWW,Ctr_EditingCtr->WWW);
+   HTM_INPUT_URL ("WWW",Ctr_EditingCtr->WWW,
+		  "class=\"INPUT_WWW\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Number of users who claim to belong to this centre *****/
diff --git a/swad_changelog.h b/swad_changelog.h
index a95c8bc8..21639539 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -487,14 +487,15 @@ enscript -2 --landscape --color --file-align=2 --highlight --line-numbers -o - *
 En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
-#define Log_PLATFORM_VERSION	"SWAD 19.51.8 (2019-11-04)"
+#define Log_PLATFORM_VERSION	"SWAD 19.51.9 (2019-11-04)"
 #define CSS_FILE		"swad19.47.css"
 #define JS_FILE			"swad19.39.js"
 /*
 // TODO: Hacer un nuevo rol en los TFG: tutor externo (profesor de áreas no vinculadas con el centro, profesionales de empresas, etc.)
 // TODO: Impedir la creación y edición de proyectos si no son editables.
 // TODO: Importante: filtrar proyectos por usuarios (igual que en trabajos o en asistencia)
- *
+
+	Version 19.51.9:  Nov 04, 2019	Code refactoring in HTML inputs. (245974 lines)
 	Version 19.51.8:  Nov 04, 2019	Code refactoring in HTML inputs. (245968 lines)
 	Version 19.51.7:  Nov 03, 2019	Code refactoring in HTML inputs. (246051 lines)
 	Version 19.51.6:  Nov 03, 2019	Code refactoring in HTML inputs. (246125 lines)
diff --git a/swad_country.c b/swad_country.c
index 2912d0eb..e4a611c6 100644
--- a/swad_country.c
+++ b/swad_country.c
@@ -1685,12 +1685,10 @@ static void Cty_ListCountriesForEdition (void)
          Frm_StartForm (ActChgCtyWWW);
          Cty_PutParamOtherCtyCod (Cty->CtyCod);
          Par_PutHiddenParamUnsigned (NULL,"Lan",(unsigned) Lan);
-         fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-                            " maxlength=\"%u\" value=\"%s\""
-                            " class=\"INPUT_WWW\""
-                            " onchange=\"document.getElementById('%s').submit();\" />",
-                  Cns_MAX_CHARS_WWW,
-                  Cty->WWW[Lan],Gbl.Form.Id);
+	 HTM_INPUT_URL ("WWW",Cty->WWW[Lan],
+			"class=\"INPUT_WWW\""
+			" onchange=\"document.getElementById('%s').submit();\"",
+                        Gbl.Form.Id);
          Frm_EndForm ();
          HTM_TD_End ();
 
@@ -2111,12 +2109,11 @@ static void Cty_PutFormToCreateCountry (void)
 
       /* WWW */
       HTM_TD_Begin ("class=\"LM\"");
-      fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW_%s\""
-                         " maxlength=\"%u\" value=\"%s\""
-                         " class=\"INPUT_WWW\" />",
-	       Lan_STR_LANG_ID[Lan],
-	       Cns_MAX_CHARS_WWW,
-	       Cty_EditingCty->WWW[Lan]);
+      snprintf (StrName,sizeof (StrName),
+		"WWW_%s",
+		Lan_STR_LANG_ID[Lan]);
+      HTM_INPUT_URL (StrName,Cty_EditingCty->WWW[Lan],
+		     "class=\"INPUT_WWW\"");
       HTM_TD_End ();
 
       HTM_TR_End ();
diff --git a/swad_course.c b/swad_course.c
index b1bc762a..e227173a 100644
--- a/swad_course.c
+++ b/swad_course.c
@@ -1474,7 +1474,7 @@ static void Crs_ListCoursesOfAYearForEdition (unsigned Year)
 	    Frm_StartForm (ActChgInsCrsCod);
 	    Crs_PutParamOtherCrsCod (Crs->CrsCod);
 	    HTM_INPUT_TEXT ("InsCrsCod",Crs_MAX_CHARS_INSTITUTIONAL_CRS_COD,Crs->InstitutionalCrsCod,
-			    " class=\"INPUT_INS_CODE\""
+			    "class=\"INPUT_INS_CODE\""
 			    " onchange=\"document.getElementById('%s').submit();\"",
 		            Gbl.Form.Id);
 	    Frm_EndForm ();
@@ -1514,7 +1514,7 @@ static void Crs_ListCoursesOfAYearForEdition (unsigned Year)
 	    Frm_StartForm (ActRenCrsSho);
 	    Crs_PutParamOtherCrsCod (Crs->CrsCod);
 	    HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Crs->ShrtName,
-			    " class=\"INPUT_SHORT_NAME\""
+			    "class=\"INPUT_SHORT_NAME\""
 			    " onchange=\"document.getElementById('%s').submit();\"",
 		            Gbl.Form.Id);
 	    Frm_EndForm ();
@@ -1530,7 +1530,7 @@ static void Crs_ListCoursesOfAYearForEdition (unsigned Year)
 	    Frm_StartForm (ActRenCrsFul);
 	    Crs_PutParamOtherCrsCod (Crs->CrsCod);
 	    HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Crs->FullName,
-			    " class=\"INPUT_FULL_NAME\""
+			    "class=\"INPUT_FULL_NAME\""
 			    " onchange=\"document.getElementById('%s').submit();\"",
 		            Gbl.Form.Id);
 	    Frm_EndForm ();
@@ -1681,7 +1681,7 @@ static void Crs_PutFormToCreateCourse (void)
    /***** Institutional code of the course *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("InsCrsCod",Crs_MAX_CHARS_INSTITUTIONAL_CRS_COD,Crs_EditingCrs->InstitutionalCrsCod,
-		   " class=\"INPUT_INS_CODE\"");
+		   "class=\"INPUT_INS_CODE\"");
    HTM_TD_End ();
 
    /***** Year *****/
@@ -1701,13 +1701,13 @@ static void Crs_PutFormToCreateCourse (void)
    /***** Course short name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Crs_EditingCrs->ShrtName,
-		   " class=\"INPUT_SHORT_NAME\" required=\"required\"");
+		   "class=\"INPUT_SHORT_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Course full name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Crs_EditingCrs->FullName,
-		   " class=\"INPUT_FULL_NAME\" required=\"required\"");
+		   "class=\"INPUT_FULL_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Current number of teachers in this course *****/
diff --git a/swad_degree.c b/swad_degree.c
index f3545170..a60f8cec 100644
--- a/swad_degree.c
+++ b/swad_degree.c
@@ -398,7 +398,7 @@ static void Deg_Configuration (bool PrintView)
       /* Form to change degree full name */
       Frm_StartForm (ActRenDegFulCfg);
       HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Gbl.Hierarchy.Deg.FullName,
-		      " class=\"INPUT_FULL_NAME\""
+		      "class=\"INPUT_FULL_NAME\""
 	              " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -426,7 +426,7 @@ static void Deg_Configuration (bool PrintView)
       /* Form to change degree short name */
       Frm_StartForm (ActRenDegShoCfg);
       HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Gbl.Hierarchy.Deg.ShrtName,
-		      " class=\"INPUT_SHORT_NAME\""
+		      "class=\"INPUT_SHORT_NAME\""
 	              " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -453,13 +453,10 @@ static void Deg_Configuration (bool PrintView)
      {
       /* Form to change degree WWW */
       Frm_StartForm (ActChgDegWWWCfg);
-      fprintf (Gbl.F.Out,"<input type=\"url\" id=\"WWW\" name=\"WWW\""
-			 " maxlength=\"%u\" value=\"%s\""
-			 " class=\"INPUT_WWW\""
-			 " onchange=\"document.getElementById('%s').submit();\" />",
-	       Cns_MAX_CHARS_WWW,
-	       Gbl.Hierarchy.Deg.WWW,
-	       Gbl.Form.Id);
+      HTM_INPUT_URL ("WWW",Gbl.Hierarchy.Deg.WWW,
+		     "class=\"INPUT_WWW\""
+		     " onchange=\"document.getElementById('%s').submit();\"",
+	             Gbl.Form.Id);
       Frm_EndForm ();
      }
    else	// I can not change degree WWW
@@ -751,7 +748,7 @@ static void Deg_ListDegreesForEdition (void)
 	 Frm_StartForm (ActRenDegSho);
 	 Deg_PutParamOtherDegCod (Deg->DegCod);
 	 HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Deg->ShrtName,
-			 " class=\"INPUT_SHORT_NAME\""
+			 "class=\"INPUT_SHORT_NAME\""
 			 " onchange=\"document.getElementById('%s').submit();\"",
 			 Gbl.Form.Id);
 	 Frm_EndForm ();
@@ -767,7 +764,7 @@ static void Deg_ListDegreesForEdition (void)
 	 Frm_StartForm (ActRenDegFul);
 	 Deg_PutParamOtherDegCod (Deg->DegCod);
 	 HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Deg->FullName,
-			 " class=\"INPUT_FULL_NAME\""
+			 "class=\"INPUT_FULL_NAME\""
 			 " onchange=\"document.getElementById('%s').submit();\"",
 			 Gbl.Form.Id);
 	 Frm_EndForm ();
@@ -813,11 +810,10 @@ static void Deg_ListDegreesForEdition (void)
 	{
 	 Frm_StartForm (ActChgDegWWW);
 	 Deg_PutParamOtherDegCod (Deg->DegCod);
-	 fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-	                    " maxlength=\"%u\" value=\"%s\""
-                            " class=\"INPUT_WWW\""
-			    " onchange=\"document.getElementById('%s').submit();\" />",
-		  Cns_MAX_CHARS_WWW,Deg->WWW,Gbl.Form.Id);
+	 HTM_INPUT_URL ("WWW",Deg->WWW,
+			"class=\"INPUT_WWW\""
+			" onchange=\"document.getElementById('%s').submit();\"",
+			Gbl.Form.Id);
 	 Frm_EndForm ();
 	}
       else
@@ -975,13 +971,13 @@ static void Deg_PutFormToCreateDegree (void)
    /***** Degree short name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Deg_EditingDeg->ShrtName,
-		   " class=\"INPUT_SHORT_NAME\" required=\"required\"");
+		   "class=\"INPUT_SHORT_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Degree full name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Deg_EditingDeg->FullName,
-		   " class=\"INPUT_FULL_NAME\" required=\"required\"");
+		   "class=\"INPUT_FULL_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Degree type *****/
@@ -1003,11 +999,8 @@ static void Deg_PutFormToCreateDegree (void)
 
    /***** Degree WWW *****/
    HTM_TD_Begin ("class=\"LM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-                      " maxlength=\"%u\" value=\"%s\""
-                      " class=\"INPUT_WWW\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_WWW,Deg_EditingDeg->WWW);
+   HTM_INPUT_URL ("WWW",Deg_EditingDeg->WWW,
+		  "class=\"INPUT_WWW\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Current number of courses in this degree *****/
diff --git a/swad_degree_type.c b/swad_degree_type.c
index fe6cb4f7..18dc5507 100644
--- a/swad_degree_type.c
+++ b/swad_degree_type.c
@@ -423,7 +423,7 @@ static void DT_ListDegreeTypesForEdition (void)
       Frm_StartForm (ActRenDegTyp);
       DT_PutParamOtherDegTypCod (Gbl.DegTypes.Lst[NumDegTyp].DegTypCod);
       HTM_INPUT_TEXT ("DegTypName",Deg_MAX_CHARS_DEGREE_TYPE_NAME,Gbl.DegTypes.Lst[NumDegTyp].DegTypName,
-		      " size=\"25\" required=\"required\""
+		      "size=\"25\" required=\"required\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.Form.Id);
       Frm_EndForm ();
@@ -482,7 +482,7 @@ static void DT_PutFormToCreateDegreeType (void)
    /***** Degree type name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("DegTypName",Deg_MAX_CHARS_DEGREE_TYPE_NAME,DT_EditingDegTyp->DegTypName,
-		   " size=\"25\" required=\"required\"",
+		   "size=\"25\" required=\"required\"",
 		   Gbl.Form.Id);
    HTM_TD_End ();
 
diff --git a/swad_department.c b/swad_department.c
index ece2849e..02379cb2 100644
--- a/swad_department.c
+++ b/swad_department.c
@@ -563,7 +563,7 @@ static void Dpt_ListDepartmentsForEdition (void)
       Frm_StartForm (ActRenDptSho);
       Dpt_PutParamDptCod (Dpt->DptCod);
       HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Dpt->ShrtName,
-		      " class=\"INPUT_SHORT_NAME\""
+		      "class=\"INPUT_SHORT_NAME\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.Form.Id);
       Frm_EndForm ();
@@ -574,7 +574,7 @@ static void Dpt_ListDepartmentsForEdition (void)
       Frm_StartForm (ActRenDptFul);
       Dpt_PutParamDptCod (Dpt->DptCod);
       HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Dpt->FullName,
-		      " class=\"INPUT_FULL_NAME\""
+		      "class=\"INPUT_FULL_NAME\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.Form.Id);
       Frm_EndForm ();
@@ -584,11 +584,10 @@ static void Dpt_ListDepartmentsForEdition (void)
       HTM_TD_Begin ("class=\"CM\"");
       Frm_StartForm (ActChgDptWWW);
       Dpt_PutParamDptCod (Dpt->DptCod);
-      fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-	                 " maxlength=\"%u\" value=\"%s\""
-                         " class=\"INPUT_WWW\""
-                         " onchange=\"document.getElementById('%s').submit();\" />",
-               Cns_MAX_CHARS_WWW,Dpt->WWW,Gbl.Form.Id);
+      HTM_INPUT_URL ("WWW",Dpt->WWW,
+		     "class=\"INPUT_WWW\""
+		     " onchange=\"document.getElementById('%s').submit();\"",
+                     Gbl.Form.Id);
       Frm_EndForm ();
       HTM_TD_End ();
 
@@ -944,22 +943,19 @@ static void Dpt_PutFormToCreateDepartment (void)
    /***** Department short name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Dpt_EditingDpt->ShrtName,
-		   " class=\"INPUT_SHORT_NAME\" required=\"required\"");
+		   "class=\"INPUT_SHORT_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Department full name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Dpt_EditingDpt->FullName,
-		   " class=\"INPUT_FULL_NAME\" required=\"required\"");
+		   "class=\"INPUT_FULL_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Department WWW *****/
    HTM_TD_Begin ("class=\"CM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-                      " maxlength=\"%u\" value=\"%s\""
-                      " class=\"INPUT_WWW\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_WWW,Dpt_EditingDpt->WWW);
+   HTM_INPUT_URL ("WWW",Dpt_EditingDpt->WWW,
+		  "class=\"INPUT_WWW\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_enrolment.c b/swad_enrolment.c
index b1a93439..acf02659 100644
--- a/swad_enrolment.c
+++ b/swad_enrolment.c
@@ -382,7 +382,7 @@ void Enr_WriteFormToReqAnotherUsrID (Act_Action_t NextAction,void (*FuncParams)
    fprintf (Gbl.F.Out,"%s:&nbsp;",Txt_nick_email_or_ID);
    HTM_LABEL_End ();
    HTM_INPUT_TEXT ("OtherUsrIDNickOrEMail",Cns_MAX_CHARS_EMAIL_ADDRESS,"",
-		   " size=\"18\" required=\"required\"");
+		   "size=\"18\" required=\"required\"");
 
    /***** Send button*****/
    Btn_PutConfirmButton (Txt_Continue);
diff --git a/swad_exam.c b/swad_exam.c
index 13f83d03..4d284799 100644
--- a/swad_exam.c
+++ b/swad_exam.c
@@ -1100,7 +1100,7 @@ static void Exa_ShowExamAnnouncement (long ExaCod,
    HTM_TD_Begin ("class=\"%s LT\"",StyleNormal);
    if (TypeViewExamAnnouncement == Exa_FORM_VIEW)
       HTM_INPUT_TEXT ("CrsName",Hie_MAX_CHARS_FULL_NAME,Gbl.ExamAnns.ExaDat.CrsFullName,
-		      " size=\"30\"");
+		      "size=\"30\"");
    else
       fprintf (Gbl.F.Out,"<strong>%s</strong>",Gbl.ExamAnns.ExaDat.CrsFullName);
    HTM_TD_End ();
@@ -1153,7 +1153,7 @@ static void Exa_ShowExamAnnouncement (long ExaCod,
    HTM_TD_Begin ("class=\"%s LT\"",StyleNormal);
    if (TypeViewExamAnnouncement == Exa_FORM_VIEW)
       HTM_INPUT_TEXT ("ExamSession",Exa_MAX_CHARS_SESSION,Gbl.ExamAnns.ExaDat.Session,
-		      " size=\"30\"");
+		      "size=\"30\"");
    else
       fprintf (Gbl.F.Out,"%s",Gbl.ExamAnns.ExaDat.Session);
    HTM_TD_End ();
diff --git a/swad_file_browser.c b/swad_file_browser.c
index a9bd3781..8e8d453b 100644
--- a/swad_file_browser.c
+++ b/swad_file_browser.c
@@ -6263,7 +6263,7 @@ static void Brw_WriteFileName (unsigned Level,bool IsPublic)
       if (Gbl.FileBrowser.ICanEditFileOrFolder)	// Can I rename this folder?
 	{
 	 HTM_INPUT_TEXT ("NewFolderName",Brw_MAX_CHARS_FOLDER,Gbl.FileBrowser.FilFolLnk.Name,
-			 " class=\"%s %s\""
+			 "class=\"%s %s\""
                          " onchange=\"document.getElementById('%s').submit();\"",
 			 Gbl.FileBrowser.InputStyle,
 			 Gbl.FileBrowser.Clipboard.IsThisFile ? "LIGHT_GREEN" :
@@ -8343,7 +8343,7 @@ static void Brw_PutFormToCreateAFolder (const char FileNameToShow[NAME_MAX + 1])
    HTM_LABEL_Begin ("class=\"%s\"",The_ClassFormInBox[Gbl.Prefs.Theme]);
    fprintf (Gbl.F.Out,"%s: ",Txt_Folder);
    HTM_INPUT_TEXT ("NewFolderName",Brw_MAX_CHARS_FOLDER,"",
-		   " size=\"30\" required=\"required\"");
+		   "size=\"30\" required=\"required\"");
    HTM_LABEL_End ();
 
    /***** Send button and end box *****/
@@ -8511,11 +8511,8 @@ static void Brw_PutFormToCreateALink (const char *FileNameToShow)
    HTM_TD_End ();
 
    HTM_TD_Begin ("class=\"LM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\""
-                      " id=\"NewLinkURL\" name=\"NewLinkURL\""
-                      " size=\"30\" maxlength=\"%u\" value=\"\""
-                      " required=\"required\" />",
-            PATH_MAX);
+   HTM_INPUT_URL ("NewLinkURL","",
+		  "size=\"30\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
@@ -8531,7 +8528,7 @@ static void Brw_PutFormToCreateALink (const char *FileNameToShow)
 
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("NewLinkName",Brw_MAX_CHARS_FOLDER,"",
-		   " size=\"30\"");
+		   "size=\"30\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_forum.c b/swad_forum.c
index 13af7c95..4808714b 100644
--- a/swad_forum.c
+++ b/swad_forum.c
@@ -3913,7 +3913,7 @@ static void For_WriteFormForumPst (bool IsReply,const char *Subject)
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("Subject",Cns_MAX_CHARS_SUBJECT,IsReply ? Subject :
 		                                             "",
-		   " class=\"MSG_SUBJECT\" required=\"required\"");
+		   "class=\"MSG_SUBJECT\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_game.c b/swad_game.c
index ec4c306c..67e94d5d 100644
--- a/swad_game.c
+++ b/swad_game.c
@@ -1146,7 +1146,7 @@ static void Gam_PutFormsEditionGame (struct Game *Game,bool ItsANewGame)
 
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("Title",Gam_MAX_CHARS_TITLE,Game->Title,
-		   " size=\"45\" required=\"required\"");
+		   "size=\"45\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_group.c b/swad_group.c
index de06dd45..91bdf139 100644
--- a/swad_group.c
+++ b/swad_group.c
@@ -1319,7 +1319,7 @@ static void Grp_ListGroupTypesForEdition (void)
       Frm_StartFormAnchor (ActRenGrpTyp,Grp_GROUP_TYPES_SECTION_ID);
       Grp_PutParamGrpTypCod (Gbl.Crs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp].GrpTypCod);
       HTM_INPUT_TEXT ("GrpTypName",Grp_MAX_CHARS_GROUP_TYPE_NAME,Gbl.Crs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp].GrpTypName,
-		      " size=\"12\""
+		      "size=\"12\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -1580,7 +1580,7 @@ static void Grp_ListGroupsForEdition (void)
          Frm_StartFormAnchor (ActRenGrp,Grp_GROUPS_SECTION_ID);
          Grp_PutParamGrpCod (Grp->GrpCod);
 	 HTM_INPUT_TEXT ("GrpName",Grp_MAX_CHARS_GROUP_NAME,Grp->GrpName,
-			 " size=\"20\""
+			 "size=\"20\""
 			 " onchange=\"document.getElementById('%s').submit();\"",
 			 Gbl.Form.Id);
          Frm_EndForm ();
@@ -1643,7 +1643,7 @@ static void Grp_ListGroupsForEdition (void)
          Grp_PutParamGrpCod (Grp->GrpCod);
          Grp_WriteMaxStds (StrMaxStudents,Grp->MaxStudents);
 	 HTM_INPUT_TEXT ("MaxStudents",10,StrMaxStudents,
-			 " size=\"3\""
+			 "size=\"3\""
 			 " onchange=\"document.getElementById('%s').submit();\"",
 			 Gbl.Form.Id);
          Frm_EndForm ();
@@ -2494,7 +2494,7 @@ static void Grp_PutFormToCreateGroupType (void)
    /***** Name of group type *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("GrpTypName",Grp_MAX_CHARS_GROUP_TYPE_NAME,Gbl.Crs.Grps.GrpTyp.GrpTypName,
-		   " size=\"12\" required=\"required\"");
+		   "size=\"12\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Is it mandatory to register in any groups of this type? *****/
@@ -2644,7 +2644,7 @@ static void Grp_PutFormToCreateGroup (void)
    /***** Group name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("GrpName",Grp_MAX_CHARS_GROUP_NAME,Gbl.Crs.Grps.GrpName,
-		   " size=\"20\" required=\"required\"");
+		   "size=\"20\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Classroom *****/
@@ -2697,7 +2697,7 @@ static void Grp_PutFormToCreateGroup (void)
    HTM_TD_Begin ("class=\"CM\"");
    Grp_WriteMaxStds (StrMaxStudents,Gbl.Crs.Grps.MaxStudents);
    HTM_INPUT_TEXT ("MaxStudents",10,StrMaxStudents,
-		   " size=\"3\"");
+		   "size=\"3\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_holiday.c b/swad_holiday.c
index ababae5b..eb51086b 100644
--- a/swad_holiday.c
+++ b/swad_holiday.c
@@ -652,7 +652,7 @@ static void Hld_ListHolidaysForEdition (void)
       Frm_StartForm (ActRenHld);
       Hld_PutParamHldCod (Hld->HldCod);
       HTM_INPUT_TEXT ("Name",Hld_MAX_CHARS_HOLIDAY_NAME,Hld->Name,
-		      " size=\"20\""
+		      "size=\"20\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -1039,7 +1039,7 @@ static void Hld_PutFormToCreateHoliday (void)
    /***** Holiday name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("Name",Hld_MAX_CHARS_HOLIDAY_NAME,Hld_EditingHld->Name,
-		   " size=\"20\" required=\"required\"");
+		   "size=\"20\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TD_Empty (1);
diff --git a/swad_info.c b/swad_info.c
index e8439ef6..4fc31a68 100644
--- a/swad_info.c
+++ b/swad_info.c
@@ -1308,22 +1308,21 @@ void Inf_FormToSendURL (Inf_InfoSrc_t InfoSrc)
    Frm_StartForm (Inf_ActionsInfo[InfoSrc][Gbl.Crs.Info.Type]);
 
    /***** Link *****/
-   HTM_DIV_Begin ("class=\"CM\"");
-   HTM_LABEL_Begin ("class=\"%s\"",The_ClassFormInBox[Gbl.Prefs.Theme]);
-   fprintf (Gbl.F.Out,"%s:&nbsp;",Txt_URL);
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"InfoSrcURL\""
-                      " size=\"50\" maxlength=\"256\" value=\"");
-   if ((FileURL = fopen (PathFile,"rb")) == NULL)
-      fprintf (Gbl.F.Out,"http://");
-   else
+   if ((FileURL = fopen (PathFile,"rb")) != NULL)
      {
       if (fgets (Gbl.Crs.Info.URL,Cns_MAX_BYTES_WWW,FileURL) == NULL)
          Gbl.Crs.Info.URL[0] = '\0';
-      /* File is not needed now. Close it */
+      /* File is not longer needed. Close it */
       fclose (FileURL);
-      fprintf (Gbl.F.Out,"%s",Gbl.Crs.Info.URL);
      }
-   fprintf (Gbl.F.Out,"\" />");
+   else
+      Gbl.Crs.Info.URL[0] = '\0';
+
+   HTM_DIV_Begin ("class=\"CM\"");
+   HTM_LABEL_Begin ("class=\"%s\"",The_ClassFormInBox[Gbl.Prefs.Theme]);
+   fprintf (Gbl.F.Out,"%s:&nbsp;",Txt_URL);
+   HTM_INPUT_URL ("InfoSrcURL",Gbl.Crs.Info.URL,
+		  "size=\"50\"");
    HTM_LABEL_End ();
    HTM_DIV_End ();
 
diff --git a/swad_institution.c b/swad_institution.c
index 5377461b..98e992d4 100644
--- a/swad_institution.c
+++ b/swad_institution.c
@@ -410,7 +410,7 @@ static void Ins_Configuration (bool PrintView)
       /* Form to change institution full name */
       Frm_StartForm (ActRenInsFulCfg);
       HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Gbl.Hierarchy.Ins.FullName,
-		      " class=\"INPUT_FULL_NAME\""
+		      "class=\"INPUT_FULL_NAME\""
 	              " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -438,7 +438,7 @@ static void Ins_Configuration (bool PrintView)
       /* Form to change institution short name */
       Frm_StartForm (ActRenInsShoCfg);
       HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Gbl.Hierarchy.Ins.ShrtName,
-		      " class=\"INPUT_SHORT_NAME\""
+		      "class=\"INPUT_SHORT_NAME\""
 	              " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -466,13 +466,10 @@ static void Ins_Configuration (bool PrintView)
      {
       /* Form to change institution WWW */
       Frm_StartForm (ActChgInsWWWCfg);
-      fprintf (Gbl.F.Out,"<input type=\"url\" id=\"WWW\" name=\"WWW\""
-			 " maxlength=\"%u\" value=\"%s\""
-			 " class=\"INPUT_WWW\""
-			 " onchange=\"document.getElementById('%s').submit();\" />",
-	       Cns_MAX_CHARS_WWW,
-	       Gbl.Hierarchy.Ins.WWW,
-	       Gbl.Form.Id);
+      HTM_INPUT_URL ("WWW",Gbl.Hierarchy.Ins.WWW,
+		     "class=\"INPUT_WWW\""
+	             " onchange=\"document.getElementById('%s').submit();\"",
+	             Gbl.Form.Id);
       Frm_EndForm ();
      }
    else	// I can not change institution WWW
@@ -1496,7 +1493,7 @@ static void Ins_ListInstitutionsForEdition (void)
 	 Frm_StartForm (ActRenInsSho);
 	 Ins_PutParamOtherInsCod (Ins->InsCod);
 	 HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Ins->ShrtName,
-			 " class=\"INPUT_SHORT_NAME\""
+			 "class=\"INPUT_SHORT_NAME\""
 			 " onchange=\"document.getElementById('%s').submit();\"",
 			 Gbl.Form.Id);
 	 Frm_EndForm ();
@@ -1512,7 +1509,7 @@ static void Ins_ListInstitutionsForEdition (void)
 	 Frm_StartForm (ActRenInsFul);
 	 Ins_PutParamOtherInsCod (Ins->InsCod);
 	 HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Ins->FullName,
-			 " class=\"INPUT_FULL_NAME\""
+			 "class=\"INPUT_FULL_NAME\""
 			 " onchange=\"document.getElementById('%s').submit();\"",
 			 Gbl.Form.Id);
 	 Frm_EndForm ();
@@ -1527,13 +1524,10 @@ static void Ins_ListInstitutionsForEdition (void)
 	{
 	 Frm_StartForm (ActChgInsWWW);
 	 Ins_PutParamOtherInsCod (Ins->InsCod);
-	 fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-	                    " maxlength=\"%u\" value=\"%s\""
-                            " class=\"INPUT_WWW\""
-			    " onchange=\"document.getElementById('%s').submit();\" />",
-		  Cns_MAX_CHARS_WWW,
-		  Ins->WWW,
-		  Gbl.Form.Id);
+	 HTM_INPUT_URL ("WWW",Ins->WWW,
+			"class=\"INPUT_WWW\""
+			" onchange=\"document.getElementById('%s').submit();\"",
+			Gbl.Form.Id);
 	 Frm_EndForm ();
 	 HTM_TD_End ();
 	}
@@ -2225,22 +2219,19 @@ static void Ins_PutFormToCreateInstitution (void)
    /***** Institution short name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("ShortName",Hie_MAX_CHARS_SHRT_NAME,Ins_EditingIns->ShrtName,
-		   " class=\"INPUT_SHORT_NAME\" required=\"required\"");
+		   "class=\"INPUT_SHORT_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Institution full name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("FullName",Hie_MAX_CHARS_FULL_NAME,Ins_EditingIns->FullName,
-		   " class=\"INPUT_FULL_NAME\" required=\"required\"");
+		   "class=\"INPUT_FULL_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Institution WWW *****/
    HTM_TD_Begin ("class=\"LM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-                      " maxlength=\"%u\" value=\"%s\""
-                      " class=\"INPUT_WWW\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_WWW,Ins_EditingIns->WWW);
+   HTM_INPUT_URL ("WWW",Ins_EditingIns->WWW,
+		  "class=\"INPUT_WWW\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Number of users who claim to belong to this institution ****/
diff --git a/swad_link.c b/swad_link.c
index 81ad2bdc..2a976a15 100644
--- a/swad_link.c
+++ b/swad_link.c
@@ -441,7 +441,7 @@ static void Lnk_ListLinksForEdition (void)
       Frm_StartForm (ActRenLnkSho);
       Lnk_PutParamLnkCod (Lnk->LnkCod);
       HTM_INPUT_TEXT ("ShortName",Lnk_MAX_CHARS_LINK_SHRT_NAME,Lnk->ShrtName,
-		      " class=\"INPUT_SHORT_NAME\""
+		      "class=\"INPUT_SHORT_NAME\""
                       " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -452,7 +452,7 @@ static void Lnk_ListLinksForEdition (void)
       Frm_StartForm (ActRenLnkFul);
       Lnk_PutParamLnkCod (Lnk->LnkCod);
       HTM_INPUT_TEXT ("FullName",Lnk_MAX_CHARS_LINK_FULL_NAME,Lnk->FullName,
-		      " class=\"INPUT_FULL_NAME\""
+		      "class=\"INPUT_FULL_NAME\""
                       " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -462,12 +462,10 @@ static void Lnk_ListLinksForEdition (void)
       HTM_TD_Begin ("class=\"CM\"");
       Frm_StartForm (ActChgLnkWWW);
       Lnk_PutParamLnkCod (Lnk->LnkCod);
-      fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-	                 " maxlength=\"%u\" value=\"%s\""
-                         " class=\"INPUT_WWW\""
-                         " onchange=\"document.getElementById('%s').submit();\" />",
-               Cns_MAX_CHARS_WWW,Lnk->WWW,
-               Gbl.Form.Id);
+      HTM_INPUT_URL ("WWW",Lnk->WWW,
+		     "class=\"INPUT_WWW\""
+		     " onchange=\"document.getElementById('%s').submit();\"",
+                     Gbl.Form.Id);
       Frm_EndForm ();
       HTM_TD_End ();
 
@@ -752,22 +750,19 @@ static void Lnk_PutFormToCreateLink (void)
    /***** Link short name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("ShortName",Lnk_MAX_CHARS_LINK_SHRT_NAME,Lnk_EditingLnk->ShrtName,
-		   " class=\"INPUT_SHORT_NAME\" required=\"required\"");
+		   "class=\"INPUT_SHORT_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Link full name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("FullName",Lnk_MAX_CHARS_LINK_FULL_NAME,Lnk_EditingLnk->FullName,
-		   " class=\"INPUT_FULL_NAME\" required=\"required\"");
+		   "class=\"INPUT_FULL_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Link WWW *****/
    HTM_TD_Begin ("class=\"CM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
-                      " maxlength=\"%u\" value=\"%s\""
-                      " class=\"INPUT_WWW\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_WWW,Lnk_EditingLnk->WWW);
+   HTM_INPUT_URL ("WWW",Lnk_EditingLnk->WWW,
+		  "class=\"INPUT_WWW\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_mail.c b/swad_mail.c
index ff86b987..1b5808b9 100644
--- a/swad_mail.c
+++ b/swad_mail.c
@@ -507,7 +507,7 @@ static void Mai_ListMailDomainsForEdition (void)
       Frm_StartForm (ActRenMaiSho);
       Mai_PutParamMaiCod (Mai->MaiCod);
       HTM_INPUT_TEXT ("Domain",Cns_MAX_CHARS_EMAIL_ADDRESS,Mai->Domain,
-		      " size=\"15\""
+		      "size=\"15\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.Form.Id);
       Frm_EndForm ();
@@ -518,7 +518,7 @@ static void Mai_ListMailDomainsForEdition (void)
       Frm_StartForm (ActRenMaiFul);
       Mai_PutParamMaiCod (Mai->MaiCod);
       HTM_INPUT_TEXT ("Info",Mai_MAX_CHARS_MAIL_INFO,Mai->Info,
-		      " size=\"40\""
+		      "size=\"40\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.Form.Id);
       Frm_EndForm ();
@@ -764,13 +764,13 @@ static void Mai_PutFormToCreateMailDomain (void)
    /***** Mail domain *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("Domain",Cns_MAX_CHARS_EMAIL_ADDRESS,Mai_EditingMai->Domain,
-		   " size=\"15\" required=\"required\"");
+		   "size=\"15\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Mail domain info *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("Info",Mai_MAX_CHARS_MAIL_INFO,Mai_EditingMai->Info,
-		   " size=\"40\" required=\"required\"");
+		   "size=\"40\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TD_Empty (1);
@@ -1394,10 +1394,8 @@ static void Mai_ShowFormChangeUsrEmail (const struct UsrData *UsrDat,bool ItsMe,
       Frm_StartFormAnchor (NextAction,Mai_EMAIL_SECTION_ID);
       Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
      }
-   fprintf (Gbl.F.Out,"<input type=\"email\" id=\"NewEmail\" name=\"NewEmail\""
-	              " size=\"18\" maxlength=\"%u\" value=\"%s\" />",
-            Cns_MAX_CHARS_EMAIL_ADDRESS,
-            Gbl.Usrs.Me.UsrDat.Email);
+   HTM_INPUT_EMAIL ("NewEmail",Cns_MAX_CHARS_EMAIL_ADDRESS,Gbl.Usrs.Me.UsrDat.Email,
+	            "size=\"18\"");
    fprintf (Gbl.F.Out,"<br />");
    Btn_PutCreateButtonInline (NumEmails ? Txt_Change_email :	// User already has an email address
         	                          Txt_Save_changes);		// User has no email address yet
diff --git a/swad_mark.c b/swad_mark.c
index b78c1990..38739733 100644
--- a/swad_mark.c
+++ b/swad_mark.c
@@ -134,7 +134,7 @@ void Mrk_GetAndWriteNumRowsHeaderAndFooter (void)
 		"%u",
 		Marks.Header);
       HTM_INPUT_TEXT (Mrk_HeadOrFootStr[Brw_HEADER],5,StrHeadOrFoot,
-		      " size=\"1\" class=\"LST_EDIT_ROWS COLOR%u\""
+		      "size=\"1\" class=\"LST_EDIT_ROWS COLOR%u\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.RowEvenOdd,
 		      Gbl.Form.Id);
@@ -155,7 +155,7 @@ void Mrk_GetAndWriteNumRowsHeaderAndFooter (void)
 		"%u",
 		Marks.Footer);
       HTM_INPUT_TEXT (Mrk_HeadOrFootStr[Brw_FOOTER],5,StrHeadOrFoot,
-		      " size=\"1\" class=\"LST_EDIT_ROWS COLOR%u\""
+		      "size=\"1\" class=\"LST_EDIT_ROWS COLOR%u\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.RowEvenOdd,
 		      Gbl.Form.Id);
diff --git a/swad_match.c b/swad_match.c
index 8bdd023e..522f3d45 100644
--- a/swad_match.c
+++ b/swad_match.c
@@ -1206,7 +1206,7 @@ static void Mch_PutFormNewMatch (struct Game *Game)
 
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("Title",Gam_MAX_CHARS_TITLE,Game->Title,
-		   " size=\"45\" required=\"required\"");
+		   "size=\"45\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_network.c b/swad_network.c
index 850ab8ae..97050667 100644
--- a/swad_network.c
+++ b/swad_network.c
@@ -273,6 +273,7 @@ void Net_ShowFormMyWebsAndSocialNets (void)
    Net_WebsAndSocialNetworks_t NumURL;
    char URL[Cns_MAX_BYTES_WWW + 1];
    char StrRecordWidth[10 + 1];
+   char StrName[32];
 
    /***** Start section *****/
    HTM_SECTION_Begin (Net_MY_WEBS_ID);
@@ -330,11 +331,11 @@ void Net_ShowFormMyWebsAndSocialNets (void)
       HTM_TD_End ();
 
       HTM_TD_Begin ("class=\"REC_C2_BOT LM\"");
-      fprintf (Gbl.F.Out,"<input type=\"url\" id=\"URL%u\" name=\"URL%u\""
-			 " maxlength=\"%u\" value=\"%s\""
-		         " class=\"REC_C2_BOT_INPUT\" />",
-	       (unsigned) NumURL,(unsigned) NumURL,
-	       Cns_MAX_CHARS_WWW,URL);
+      snprintf (StrName,sizeof (StrName),
+		"URL%u",
+		(unsigned) NumURL);
+      HTM_INPUT_URL ("WWW",StrName,
+		     "class=\"REC_C2_BOT_INPUT\"");
       HTM_TD_End ();
 
       HTM_TR_End ();
diff --git a/swad_nickname.c b/swad_nickname.c
index 02d9afee..e994d521 100644
--- a/swad_nickname.c
+++ b/swad_nickname.c
@@ -402,7 +402,7 @@ static void Nck_ShowFormChangeUsrNickname (const struct UsrData *UsrDat,bool Its
 	     "@%s",
 	     Gbl.Usrs.Me.UsrDat.Nickname);
    HTM_INPUT_TEXT ("NewNick",1 + Nck_MAX_CHARS_NICKNAME_WITHOUT_ARROBA,NicknameWithArroba,
-		   " size=\"18\"");
+		   "size=\"18\"");
    fprintf (Gbl.F.Out,"<br />");
    Btn_PutCreateButtonInline (NumNicks ? Txt_Change_nickname :	// I already have a nickname
         	                         Txt_Save_changes);	// I have no nickname yet);
diff --git a/swad_password.c b/swad_password.c
index 1806c9b1..07bc8be1 100644
--- a/swad_password.c
+++ b/swad_password.c
@@ -285,7 +285,7 @@ void Pwd_ShowFormSendNewPwd (void)
    HTM_LABEL_Begin ("class=\"%s\"",The_ClassFormInBox[Gbl.Prefs.Theme]);
    fprintf (Gbl.F.Out,"%s:&nbsp;",Txt_nick_email_or_ID);
    HTM_INPUT_TEXT ("UsrId",Cns_MAX_CHARS_EMAIL_ADDRESS,Gbl.Usrs.Me.UsrIdLogin,
-		   " size=\"8\" required=\"required\"");
+		   "size=\"8\" required=\"required\"");
    HTM_LABEL_End ();
 
    /***** Send button and end box *****/
diff --git a/swad_place.c b/swad_place.c
index 3ee88ab1..78f63e70 100644
--- a/swad_place.c
+++ b/swad_place.c
@@ -553,7 +553,7 @@ static void Plc_ListPlacesForEdition (void)
       Frm_StartForm (ActRenPlcSho);
       Plc_PutParamPlcCod (Plc->PlcCod);
       HTM_INPUT_TEXT ("ShortName",Plc_MAX_CHARS_PLACE_SHRT_NAME,Plc->ShrtName,
-		      " class=\"INPUT_SHORT_NAME\""
+		      "class=\"INPUT_SHORT_NAME\""
                       " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -564,7 +564,7 @@ static void Plc_ListPlacesForEdition (void)
       Frm_StartForm (ActRenPlcFul);
       Plc_PutParamPlcCod (Plc->PlcCod);
       HTM_INPUT_TEXT ("FullName",Plc_MAX_CHARS_PLACE_FULL_NAME,Plc->FullName,
-		      " class=\"INPUT_FULL_NAME\""
+		      "class=\"INPUT_FULL_NAME\""
                       " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -821,13 +821,13 @@ static void Plc_PutFormToCreatePlace (void)
    /***** Place short name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("ShortName",Plc_MAX_CHARS_PLACE_SHRT_NAME,Plc_EditingPlc->ShrtName,
-		   " class=\"INPUT_SHORT_NAME\" required=\"required\"");
+		   "class=\"INPUT_SHORT_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Place full name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("FullName",Plc_MAX_CHARS_PLACE_FULL_NAME,Plc_EditingPlc->FullName,
-		   " class=\"INPUT_FULL_NAME\" required=\"required\"");
+		   "class=\"INPUT_FULL_NAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Number of centres *****/
diff --git a/swad_plugin.c b/swad_plugin.c
index 789c0e2b..8f091ca3 100644
--- a/swad_plugin.c
+++ b/swad_plugin.c
@@ -427,7 +427,7 @@ static void Plg_ListPluginsForEdition (void)
       Frm_StartForm (ActRenPlg);
       Plg_PutParamPlgCod (Plg->PlgCod);
       HTM_INPUT_TEXT ("Name",Plg_MAX_CHARS_PLUGIN_NAME,Plg->Name,
-		      " size=\"10\""
+		      "size=\"10\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -438,7 +438,7 @@ static void Plg_ListPluginsForEdition (void)
       Frm_StartForm (ActChgPlgDes);
       Plg_PutParamPlgCod (Plg->PlgCod);
       HTM_INPUT_TEXT ("Description",Plg_MAX_CHARS_PLUGIN_DESCRIPTION,Plg->Description,
-		      " size=\"30\""
+		      "size=\"30\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -449,7 +449,7 @@ static void Plg_ListPluginsForEdition (void)
       Frm_StartForm (ActChgPlgLog);
       Plg_PutParamPlgCod (Plg->PlgCod);
       HTM_INPUT_TEXT ("Logo",Plg_MAX_CHARS_PLUGIN_LOGO,Plg->Logo,
-		      " size=\"4\""
+		      "size=\"4\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -460,7 +460,7 @@ static void Plg_ListPluginsForEdition (void)
       Frm_StartForm (ActChgPlgAppKey);
       Plg_PutParamPlgCod (Plg->PlgCod);
       HTM_INPUT_TEXT ("AppKey",Plg_MAX_CHARS_PLUGIN_APP_KEY,Plg->AppKey,
-		      " size=\"16\""
+		      "size=\"16\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -470,10 +470,10 @@ static void Plg_ListPluginsForEdition (void)
       HTM_TD_Begin ("class=\"CM\"");
       Frm_StartForm (ActChgPlgURL);
       Plg_PutParamPlgCod (Plg->PlgCod);
-      fprintf (Gbl.F.Out,"<input type=\"url\" name=\"URL\""
-	                 " size=\"15\" maxlength=\"%u\" value=\"%s\""
-                         " onchange=\"document.getElementById('%s').submit();\" />",
-               Cns_MAX_CHARS_WWW,Plg->URL,Gbl.Form.Id);
+      HTM_INPUT_URL ("URL",Plg->URL,
+		     "size=\"15\""
+		     " onchange=\"document.getElementById('%s').submit();\"",
+		     Gbl.Form.Id);
       Frm_EndForm ();
       HTM_TD_End ();
 
@@ -482,7 +482,7 @@ static void Plg_ListPluginsForEdition (void)
       Frm_StartForm (ActChgPlgIP);
       Plg_PutParamPlgCod (Plg->PlgCod);
       HTM_INPUT_TEXT ("IP",Cns_MAX_CHARS_IP,Plg->IP,
-		      " size=\"10\""
+		      "size=\"10\""
 		      " onchange=\"document.getElementById('%s').submit();\"",
 		      Gbl.Form.Id);
       Frm_EndForm ();
@@ -905,39 +905,37 @@ static void Plg_PutFormToCreatePlugin (void)
    /***** Plugin name *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("Name",Plg_MAX_CHARS_PLUGIN_NAME,Plg_EditingPlg->Name,
-		   " size=\"10\" required=\"required\"");
+		   "size=\"10\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Plugin description *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("Description",Plg_MAX_CHARS_PLUGIN_DESCRIPTION,Plg_EditingPlg->Description,
-		   " size=\"30\" required=\"required\"");
+		   "size=\"30\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Plugin logo *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("Logo",Plg_MAX_CHARS_PLUGIN_LOGO,Plg_EditingPlg->Logo,
-		   " size=\"4\" required=\"required\"");
+		   "size=\"4\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Plugin application key *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("AppKey",Plg_MAX_CHARS_PLUGIN_APP_KEY,Plg_EditingPlg->AppKey,
-		   " size=\"16\" required=\"required\"");
+		   "size=\"16\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Plugin URL *****/
    HTM_TD_Begin ("class=\"CM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" name=\"URL\""
-                      " size=\"15\" maxlength=\"%u\" value=\"%s\""
-                      " required=\"required\" />",
-            Cns_MAX_CHARS_WWW,Plg_EditingPlg->URL);
+   HTM_INPUT_URL ("URL",Plg_EditingPlg->URL,
+		  "size=\"15\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Plugin IP address *****/
    HTM_TD_Begin ("class=\"CM\"");
    HTM_INPUT_TEXT ("IP",Cns_MAX_CHARS_IP,Plg_EditingPlg->IP,
-		   " size=\"10\" required=\"required\"");
+		   "size=\"10\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_profile.c b/swad_profile.c
index caafbbe8..d2b5a93a 100644
--- a/swad_profile.c
+++ b/swad_profile.c
@@ -212,7 +212,7 @@ void Prf_RequestUserProfile (void)
 	     "@%s",
 	     Gbl.Usrs.Me.UsrDat.Nickname);
    HTM_INPUT_TEXT ("usr",Nck_MAX_BYTES_NICKNAME_FROM_FORM,NicknameWithArroba,
-		   " size=\"18\"");
+		   "size=\"18\"");
    HTM_LABEL_End ();
 
    /***** Send button and end box *****/
diff --git a/swad_project.c b/swad_project.c
index edfbf421..7bc46131 100644
--- a/swad_project.c
+++ b/swad_project.c
@@ -3306,7 +3306,7 @@ static void Prj_PutFormProject (struct Project *Prj,bool ItsANewProject)
 
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("Title",Prj_MAX_CHARS_PROJECT_TITLE,Prj->Title,
-		   " size=\"45\" required=\"required\"");
+		   "size=\"45\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
@@ -3422,9 +3422,8 @@ static void Prj_PutFormProject (struct Project *Prj,bool ItsANewProject)
    HTM_TD_End ();
 
    HTM_TD_Begin ("class=\"DAT LM\"");
-   fprintf (Gbl.F.Out,"<input type=\"url\" id=\"URL\" name=\"URL\""
-		      " size=\"45\" maxlength=\"%u\" value=\"%s\" />",
-	    Cns_MAX_CHARS_WWW,Prj->URL);
+   HTM_INPUT_URL ("URL",Prj->URL,
+		  "size=\"45\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_record.c b/swad_record.c
index a4b9a2cd..03dc8bf4 100644
--- a/swad_record.c
+++ b/swad_record.c
@@ -311,7 +311,7 @@ void Rec_ListFieldsRecordsForEdition (void)
       Frm_StartForm (ActRenFie);
       Par_PutHiddenParamLong (NULL,"FieldCod",Gbl.Crs.Records.LstFields.Lst[NumField].FieldCod);
       HTM_INPUT_TEXT ("FieldName",Rec_MAX_CHARS_NAME_FIELD,Gbl.Crs.Records.LstFields.Lst[NumField].Name,
-		      " class=\"REC_FIELDNAME\""
+		      "class=\"REC_FIELDNAME\""
                       " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.Form.Id);
       Frm_EndForm ();
@@ -325,7 +325,7 @@ void Rec_ListFieldsRecordsForEdition (void)
 		"%u",
 		Gbl.Crs.Records.LstFields.Lst[NumField].NumLines);
       HTM_INPUT_TEXT ("NumLines",2,StrNumLines,
-		      " size=\"2\""
+		      "size=\"2\""
                       " onchange=\"document.getElementById('%s').submit();\"",
                       Gbl.Form.Id);
       Frm_EndForm ();
@@ -387,7 +387,7 @@ void Rec_ShowFormCreateRecordField (void)
    /***** Field name *****/
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("FieldName",Rec_MAX_CHARS_NAME_FIELD,Gbl.Crs.Records.Field.Name,
-		   " class=\"REC_FIELDNAME\" required=\"required\"");
+		   "class=\"REC_FIELDNAME\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Number of lines in form ******/
@@ -396,7 +396,7 @@ void Rec_ShowFormCreateRecordField (void)
 	     "%u",
 	     Gbl.Crs.Records.Field.NumLines);
    HTM_INPUT_TEXT ("NumLines",2,StrNumLines,
-		   " size=\"2\" required=\"required\"");
+		   "size=\"2\" required=\"required\"");
    HTM_TD_End ();
 
    /***** Visibility to students *****/
@@ -3174,7 +3174,7 @@ static void Rec_ShowSurname1 (struct UsrData *UsrDat,
    HTM_TD_Begin ("class=\"REC_C2_BOT REC_DAT_BOLD LM\"");
    if (ICanEdit)
       HTM_INPUT_TEXT ("Surname1",Usr_MAX_CHARS_FIRSTNAME_OR_SURNAME,UsrDat->Surname1,
-		      " class=\"REC_C2_BOT_INPUT\"%s",
+		      "class=\"REC_C2_BOT_INPUT\"%s",
 		      TypeOfView == Rec_SHA_MY_RECORD_FORM ? " required=\"required\"" :
 			                                     "");
    else if (UsrDat->Surname1[0])
@@ -3205,7 +3205,7 @@ static void Rec_ShowSurname2 (struct UsrData *UsrDat,
    HTM_TD_Begin ("class=\"REC_C2_BOT REC_DAT_BOLD LM\"");
    if (ICanEdit)
       HTM_INPUT_TEXT ("Surname2",Usr_MAX_CHARS_FIRSTNAME_OR_SURNAME,UsrDat->Surname2,
-		      " class=\"REC_C2_BOT_INPUT\"");
+		      "class=\"REC_C2_BOT_INPUT\"");
    else if (UsrDat->Surname2[0])
       fprintf (Gbl.F.Out,"<strong>%s</strong>",UsrDat->Surname2);
    HTM_TD_End ();
@@ -3238,7 +3238,7 @@ static void Rec_ShowFirstName (struct UsrData *UsrDat,
    HTM_TD_Begin ("colspan=\"2\" class=\"REC_C2_BOT REC_DAT_BOLD LM\"");
    if (ICanEdit)
       HTM_INPUT_TEXT ("FirstName",Usr_MAX_CHARS_FIRSTNAME_OR_SURNAME,UsrDat->FirstName,
-		      " class=\"REC_C2_BOT_INPUT\"%s",
+		      "class=\"REC_C2_BOT_INPUT\"%s",
 		      TypeOfView == Rec_SHA_MY_RECORD_FORM ? " required=\"required\"" :
 			                                     "");
    else if (UsrDat->FirstName[0])
@@ -3329,7 +3329,7 @@ static void Rec_ShowOriginPlace (struct UsrData *UsrDat,
      {
       if (ICanEdit)
 	 HTM_INPUT_TEXT ("OriginPlace",Usr_MAX_CHARS_ADDRESS,UsrDat->OriginPlace,
-			 " class=\"REC_C2_BOT_INPUT\"");
+			 "class=\"REC_C2_BOT_INPUT\"");
       else if (UsrDat->OriginPlace[0])
 	 fprintf (Gbl.F.Out,"%s",UsrDat->OriginPlace);
      }
@@ -3394,7 +3394,7 @@ static void Rec_ShowLocalAddress (struct UsrData *UsrDat,
      {
       if (ICanEdit)
 	 HTM_INPUT_TEXT ("LocalAddress",Usr_MAX_CHARS_ADDRESS,UsrDat->LocalAddress,
-			 " class=\"REC_C2_BOT_INPUT\"");
+			 "class=\"REC_C2_BOT_INPUT\"");
       else if (UsrDat->LocalAddress[0])
 	 fprintf (Gbl.F.Out,"%s",UsrDat->LocalAddress);
      }
@@ -3466,7 +3466,7 @@ static void Rec_ShowFamilyAddress (struct UsrData *UsrDat,
      {
       if (ICanEdit)
 	 HTM_INPUT_TEXT ("FamilyAddress",Usr_MAX_CHARS_ADDRESS,UsrDat->FamilyAddress,
-			 " class=\"REC_C2_BOT_INPUT\"");
+			 "class=\"REC_C2_BOT_INPUT\"");
       else if (UsrDat->FamilyAddress[0])
 	 fprintf (Gbl.F.Out,"%s",UsrDat->FamilyAddress);
      }
@@ -4181,7 +4181,7 @@ static void Rec_ShowFormMyInsCtrDpt (bool IAmATeacher)
       HTM_TD_Begin ("class=\"REC_C2_BOT LM\"");
       Frm_StartFormAnchor (ActChgMyOff,Rec_MY_INS_CTR_DPT_ID);
       HTM_INPUT_TEXT ("Office",Usr_MAX_CHARS_ADDRESS,Gbl.Usrs.Me.UsrDat.Tch.Office,
-		      " class=\"REC_C2_BOT_INPUT\""
+		      "class=\"REC_C2_BOT_INPUT\""
 	              " onchange=\"document.getElementById('%s').submit();\"",
 	              Gbl.Form.Id);
       Frm_EndForm ();
diff --git a/swad_survey.c b/swad_survey.c
index 22893af2..7e25d135 100644
--- a/swad_survey.c
+++ b/swad_survey.c
@@ -1917,7 +1917,7 @@ void Svy_RequestCreatOrEditSvy (void)
 
    HTM_TD_Begin ("class=\"LM\"");
    HTM_INPUT_TEXT ("Title",Svy_MAX_CHARS_SURVEY_TITLE,Svy.Title,
-		   " size=\"45\" required=\"required\"");
+		   "size=\"45\" required=\"required\"");
    HTM_TD_End ();
 
    HTM_TR_End ();
diff --git a/swad_syllabus.c b/swad_syllabus.c
index a9dfe6cc..bfe559d9 100644
--- a/swad_syllabus.c
+++ b/swad_syllabus.c
@@ -918,7 +918,7 @@ static void Syl_PutFormItemSyllabus (bool NewItem,unsigned NumItem,int Level,int
    Gbl.Syllabus.ParamNumItem = NumItem;
    Syl_PutParamNumItem ();
    HTM_INPUT_TEXT ("Txt",Syl_MAX_CHARS_TEXT_ITEM,Text,
-		   " size=\"60\" placeholder=\"%s\"",
+		   "size=\"60\" placeholder=\"%s\"",
 	           Txt_Enter_a_new_item_here);
    if (NewItem)
       fprintf (Gbl.F.Out," autofocus=\"autofocus\"");
diff --git a/swad_user.c b/swad_user.c
index 8add97da..77597b6f 100644
--- a/swad_user.c
+++ b/swad_user.c
@@ -2611,7 +2611,7 @@ void Usr_WriteFormLogin (Act_Action_t NextAction,void (*FuncParams) (void))
    Ico_PutIcon ("user.svg",Txt_User[Usr_SEX_UNKNOWN],"CONTEXT_ICO_16x16");
    HTM_LABEL_End ();
    HTM_INPUT_TEXT ("UsrId",Cns_MAX_CHARS_EMAIL_ADDRESS,Gbl.Usrs.Me.UsrIdLogin,
-		   " size=\"18\" placeholder=\"%s\""
+		   "size=\"18\" placeholder=\"%s\""
 		   " autofocus=\"autofocus\" required=\"required\"",
 	           Txt_nick_email_or_ID);
    HTM_DIV_End ();