diff --git a/sefht.geany b/sefht.geany
index e2741478465fc5480112bf3046ec99448161c631..4ba8125ece6cddf41846bcc738cc49475b0a1909 100644
--- a/sefht.geany
+++ b/sefht.geany
@@ -28,7 +28,7 @@ long_line_behaviour=1
 long_line_column=72
 
 [files]
-current_page=53
+current_page=36
 FILE_NAME_0=139;None;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2FREADME;0;8
 FILE_NAME_1=134;None;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2F.gitignore;0;8
 FILE_NAME_2=1737;Sh;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fconfigure.ac;0;8
@@ -61,11 +61,11 @@ FILE_NAME_28=1867;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fp
 FILE_NAME_29=2191;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator.c;0;8
 FILE_NAME_30=1159;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator.h;0;8
 FILE_NAME_31=1008;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_html.h;0;8
-FILE_NAME_32=13800;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_tag.c;0;8
-FILE_NAME_33=2116;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_tag.h;0;8
+FILE_NAME_32=13132;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_tag.c;0;8
+FILE_NAME_33=1992;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_tag.h;0;8
 FILE_NAME_34=1150;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_tag_data.h;0;8
-FILE_NAME_35=22399;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_attr.c;0;8
-FILE_NAME_36=1051;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_attr.h;0;8
+FILE_NAME_35=21193;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_attr.c;0;8
+FILE_NAME_36=1834;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_attr.h;0;8
 FILE_NAME_37=1413;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fvalidator_attr_data.h;0;8
 FILE_NAME_38=924;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Fstatus.h;0;8
 FILE_NAME_39=18;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Flog.h;0;4
diff --git a/src/lib/sefht/validator_attr.c b/src/lib/sefht/validator_attr.c
index 3482f126530e3c2340442df3d9374232aa2cd188..7a09483ceeb5469c349cce839fe6d6dc7e60aa58 100644
--- a/src/lib/sefht/validator_attr.c
+++ b/src/lib/sefht/validator_attr.c
@@ -924,7 +924,7 @@ attr_global_remove_tag (struct attr_info * attr,
 }
 
 bool
-SH_Validator_check_attr (struct SH_Validator * validator,
+SH_Validator_check_attr (const struct SH_Validator * validator,
                          /*@null@*/ const char * tag,
                          const char * attr)
 	/*@*/
diff --git a/src/lib/sefht/validator_attr.h b/src/lib/sefht/validator_attr.h
index 7d8089baa7a0bb4c5b3034980d71f5395a2c1ade..c8745e806fa910e7061d4a73bcfb3c19800462ee 100644
--- a/src/lib/sefht/validator_attr.h
+++ b/src/lib/sefht/validator_attr.h
@@ -58,7 +58,7 @@ SH_Validator_deregister_attr (SH_Validator * validator,
 	/*@modifies status@*/;
 
 bool
-SH_Validator_check_attr (struct SH_Validator * validator,
+SH_Validator_check_attr (const SH_Validator * validator,
                          /*@null@*/ const char * tag,
                          const char * attr)
 	/*@*/;
diff --git a/src/lib/sefht/validator_tag.c b/src/lib/sefht/validator_tag.c
index ef00fe1a99682346f287e96dd4486be86453afb0..a0f51c2662d3bfa826f006e4d00d6bb15d47f12a 100644
--- a/src/lib/sefht/validator_tag.c
+++ b/src/lib/sefht/validator_tag.c
@@ -579,7 +579,7 @@ remove_tag (struct SH_Validator * validator,
 
 
 bool
-SH_Validator_check_tag (struct SH_Validator * validator,
+SH_Validator_check_tag (const struct SH_Validator * validator,
                         const char * tag)
 	/*@*/
 {
diff --git a/src/lib/sefht/validator_tag.h b/src/lib/sefht/validator_tag.h
index 4a77a3d7f02eea6877938db60953e98828cd743c..95d438528904ae97e711f9960436ce98080f8b16 100644
--- a/src/lib/sefht/validator_tag.h
+++ b/src/lib/sefht/validator_tag.h
@@ -71,7 +71,7 @@ SH_Validator_deregister_tag (SH_Validator * validator,
 	/*@modifies status@*/;
 
 bool
-SH_Validator_check_tag (struct SH_Validator * validator,
+SH_Validator_check_tag (const SH_Validator * validator,
                         const char * tag)
 	/*@*/;