Added `squelch-id` (TidySquelchShow) so that message ID's will be displayed in

the report output table. This can be used to show message ID's that the user
can use to filter against in the upcoming `squelch` option.

include/tidyenum.h

@@ -636,6 +636,7 @@ typedef enum
     TidyShowWarnings,            /**< However errors are always shown */
     TidySkipNested,              /**< Skip nested tags in script and style CDATA */
     TidySortAttributes,          /**< Sort attributes */
+    TidySquelchShow,             /**< Show message ID's in the error table */
     TidyStrictTagsAttr,          /**< Ensure tags and attributes match output HTML version */
     TidyStyleTags,               /**< Move sytle to head */
     TidyTabSize,                 /**< Expand tabs to n spaces */

src/config.c

@@ -249,6 +249,7 @@ static const TidyOptionImpl option_defs[] =
     { TidyShowWarnings,            DD, "show-warnings",               BL, yes,             ParsePickList,     &boolPicks          },
     { TidySkipNested,              MR, "skip-nested",                 BL, yes,             ParsePickList,     &boolPicks          }, /* 1642186 - Issue #65 */
     { TidySortAttributes,          PP, "sort-attributes",             IN, TidySortAttrNone,ParsePickList,     &sorterPicks        },
+    { TidySquelchShow,             DD, "squelch-id",                  BL, no,              ParsePickList,     &boolPicks          },
     { TidyStrictTagsAttr,          MR, "strict-tags-attributes",      BL, no,              ParsePickList,     &boolPicks          }, /* 20160209 - Issue #350 */
     { TidyStyleTags,               MR, "fix-style-tags",              BL, yes,             ParsePickList,     &boolPicks          },
     { TidyTabSize,                 PP, "tab-size",                    IN, 8,               ParseInt,          NULL                },

src/language_en.h

@@ -1176,6 +1176,20 @@ static languageDefinition language_en = { whichPluralForm_en, {
         "attribute sorting will take place after the priority attributes have "
         "been output. "
     },
+    {/* Important notes for translators:
+      - Use only <code></code>, <var></var>, <em></em>, <strong></strong>, and
+      <br/>.
+      - Entities, tags, attributes, etc., should be enclosed in <code></code>.
+      - Option values should be enclosed in <var></var>.
+      - It's very important that <br/> be self-closing!
+      - The strings "Tidy" and "HTML Tidy" are the program name and must not
+      be translated. */
+        TidySquelchShow,              0,
+        "This option indicates whether or not Tidy should display message ID's "
+        "with each of its error reports. This could be useful if you wanted to "
+        "use the \"squelch\" configuration option in order to filter out certain "
+        "report messages. "
+    },
     {/* Important notes for translators:
       - Use only <code></code>, <var></var>, <em></em>, <strong></strong>, and
       <br/>.

src/messageobj.c

@@ -137,7 +137,7 @@ static TidyMessageImpl *tidyMessageCreateInitV( TidyDocImpl *doc,
     result->messagePrefix = tidyLocalizedString(level);
 
     if ( line > 0 && column > 0 )
-        pattern = "%s%s%s";      /* pattern in there's location information */
+        pattern = "%s%s%s";      /* pattern if there's location information */
     else
         pattern = "%.0s%s%s";    /* otherwise if there isn't */
 
@@ -154,6 +154,11 @@ static TidyMessageImpl *tidyMessageCreateInitV( TidyDocImpl *doc,
                      result->messagePos, result->messagePrefix,
                      result->message);
 
+    if ( cfgBool(doc, TidySquelchShow) == yes )
+    {
+        TY_(tmbsnprintf)(result->messageOutputDefault, sizeMessageBuf, "%s (%s)", result->messageOutputDefault, TY_(tidyErrorCodeAsKey)(code) );
+        TY_(tmbsnprintf)(result->messageOutput, sizeMessageBuf, "%s (%s)", result->messageOutput, TY_(tidyErrorCodeAsKey)(code) );
+    }
 
     result->allowMessage = yes;