From a4770daa2ba73c7a7fd50acc95d5cfb63992f4c9 Mon Sep 17 00:00:00 2001
From: Geoff McLane <ubuntu@geoffair.info>
Date: Sun, 4 Jun 2017 20:34:22 +0200
Subject: [PATCH] Issue #456 - Add 'Info:' message, when meta added.

It also fixes the addition of the constant 'http-equiv="Content-Type"
attribute.
---
 include/tidyenum.h | 3 ++-
 src/clean.c        | 4 +++-
 src/language_en.h  | 4 +++-
 src/message.c      | 5 +++++
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/include/tidyenum.h b/include/tidyenum.h
index 95b6e60..bc76cf3 100644
--- a/include/tidyenum.h
+++ b/include/tidyenum.h
@@ -270,7 +270,8 @@ extern "C" {
     FN(COERCE_TO_ENDTAG)              \
     FN(ELEMENT_NOT_EMPTY)             \
     FN(UNEXPECTED_END_OF_FILE)        \
-    FN(UNEXPECTED_ENDTAG)
+    FN(UNEXPECTED_ENDTAG)             \
+    FN(ADDED_MISSING_CHARSET)
     
 
 /** These are report messages added by Tidy's accessibility module. */
diff --git a/src/clean.c b/src/clean.c
index a4eb9fb..76b6acf 100644
--- a/src/clean.c
+++ b/src/clean.c
@@ -2489,10 +2489,12 @@ Bool TY_(TidyMetaCharset)(TidyDocImpl* doc)
             tidyBufAppend(&buf, "text/html; ", 11);
             tidyBufAppend(&buf, charsetString.bp, TY_(tmbstrlen)(charsetString.bp));
             tidyBufAppend(&buf, "\0", 1);   /* zero terminate the buffer */
-            TY_(AddAttribute)(doc, metaTag, "content", (char*)buf.bp);
+            TY_(AddAttribute)(doc, metaTag, "http-equiv", "Content-Type"); /* add 'http-equiv' const. */
+            TY_(AddAttribute)(doc, metaTag, "content", (char*)buf.bp);  /* add 'content="<enc>"' */
             tidyBufFree(&buf);
         }
         TY_(InsertNodeAtStart)(head, metaTag);
+        TY_(ReportError)(doc, metaTag, head, ADDED_MISSING_CHARSET); /* actually just 'Info:' */
     }
     tidyBufFree(&charsetString);
     return yes;
diff --git a/src/language_en.h b/src/language_en.h
index f9618c8..b971db1 100644
--- a/src/language_en.h
+++ b/src/language_en.h
@@ -1900,7 +1900,9 @@ static languageDefinition language_en = { whichPluralForm_en, {
     { ELEMENT_NOT_EMPTY,            0,   "%s element not empty or not closed"                                      }, /* ReportError, ReportAttrError */
     { UNEXPECTED_END_OF_FILE,       0,   "unexpected end of file %s"                                               }, /* ReportError, ReportAttrError */
     { UNEXPECTED_ENDTAG,            0,   "unexpected </%s>"                                                        }, /* ReportError, ReportFatal */
-    
+
+    { ADDED_MISSING_CHARSET,        0,   "Added appropriate missing <meta charset=...> to %s"                      }, /* ReportInfo */
+
 #if SUPPORT_ACCESSIBILITY_CHECKS
     
     /***************************************
diff --git a/src/message.c b/src/message.c
index 9b86bb5..5330e3e 100755
--- a/src/message.c
+++ b/src/message.c
@@ -408,6 +408,11 @@ void TY_(ReportError)(TidyDocImpl* doc, Node *element, Node *node, uint code)
         case REMOVED_HTML5:
             message = TY_(tidyMessageCreateWithNode)(doc, rpt, code, TidyError, nodedesc );
             break;
+
+        case ADDED_MISSING_CHARSET:
+            message = TY_(tidyMessageCreateWithNode)(doc, rpt, code, TidyInfo, nodedesc);
+            break;
+
     }
 
     messageOut( message );