prepare urgent bugfix release 2.5.4 - this: 2.5.4d6

git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@2473635 b8457f37-d9ea-0310-8a92-e5e31aec5664

class/dashboard/subpage-main.php

@@ -7,7 +7,7 @@
  * @since 1.5.0 14.09.14 14:47
  *
  *
- * @lastmodified 2021-02-11T0821+0100
+ * @lastmodified 2021-02-12T1035+0100
  *
  * @since 2.0.4  restore arrow settings  2020-11-01T0509+0100
  * @since 2.1.0  read-on button label  2020-11-08T2148+0100
@@ -150,10 +150,11 @@ class MCI_Footnotes_Layout_Settings extends MCI_Footnotes_LayoutEngine {
         $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "hyperlink-arrow", __("Backlink symbol", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "HyperlinkArrow");
         $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "superscript", __("Referrer typesetting and formatting", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "Superscript");
         $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "mouse-over-box", __("Tooltips", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "MouseOverBox");
-
         $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "mouse-over-box-position", __("Tooltip position", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "MouseOverBoxPosition");
+        $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "mouse-over-box-dimensions", __("Tooltip dimensions", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "MouseOverBoxDimensions");
         $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "mouse-over-box-timing", __("Tooltip timing", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "MouseOverBoxTiming");
         $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "mouse-over-box-truncation", __("Tooltip truncation", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "MouseOverBoxTruncation");
+        $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "mouse-over-box-text", __("Tooltip text", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "MouseOverBoxText");
         $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "mouse-over-box-appearance", __("Tooltip appearance", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "MouseOverBoxAppearance");
         if (MCI_Footnotes_Convert::toBool(MCI_Footnotes_Settings::instance()->get(MCI_Footnotes_Settings::C_BOOL_CUSTOM_CSS_LEGACY_ENABLE))) {
             $l_arr_MetaBoxes[] = $this->addMetaBox("customize", "custom-css", __("Your existing Custom CSS code", MCI_Footnotes_Config::C_STR_PLUGIN_NAME), "CustomCSS");
@@ -501,6 +502,15 @@ class MCI_Footnotes_Layout_Settings extends MCI_Footnotes_LayoutEngine {
                 "separator" => $this->addTextBox(MCI_Footnotes_Settings::C_STR_HARD_LINK_IDS_SEPARATOR),
                 "notice-separator" => __("May be empty or any string, for example _, - or +, to distinguish post number, container number and footnote number.", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
 
+                // enable backlink tooltips:
+                "label-backlink-tooltips" => $this->addLabel(MCI_Footnotes_Settings::C_BOOL_FOOTNOTES_BACKLINK_TOOLTIP_ENABLE, __("Enable backlink tooltips:", MCI_Footnotes_Config::C_STR_PLUGIN_NAME)),
+                "backlink-tooltips" => $this->addSelectBox(MCI_Footnotes_Settings::C_BOOL_FOOTNOTES_BACKLINK_TOOLTIP_ENABLE, $l_arr_Enable),
+                "notice-backlink-tooltips" => __("Hard backlinks get ordinary tooltips hinting to use the backbutton instead.", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
+
+                "label-backlink-tooltip-text" => $this->addLabel(MCI_Footnotes_Settings::C_STR_FOOTNOTES_BACKLINK_TOOLTIP_TEXT, __("Backlink tooltip text:", MCI_Footnotes_Config::C_STR_PLUGIN_NAME)),
+                "backlink-tooltip-text" => $this->addTextBox(MCI_Footnotes_Settings::C_STR_FOOTNOTES_BACKLINK_TOOLTIP_TEXT),
+                "notice-backlink-tooltip-text" => __("Default text is the keyboard shortcut, but you may wish to input a descriptive hint in your language.", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
+
             )
         );
         // display template with replaced placeholders
@@ -709,6 +719,20 @@ class MCI_Footnotes_Layout_Settings extends MCI_Footnotes_LayoutEngine {
                 "offset-y-alternative" => $this->addNumBox(MCI_Footnotes_Settings::C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_OFFSET_Y, -500, 500),
                 "notice-offset-y" => __("pixels; negative value for an upwards offset; alternative tooltips: direction depends on position", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
 
+            )
+        );
+        // display template with replaced placeholders
+        echo $l_obj_Template->getContent();
+    }
+
+    public function MouseOverBoxDimensions() {
+
+        // load template file
+        $l_obj_Template = new MCI_Footnotes_Template(MCI_Footnotes_Template::C_STR_DASHBOARD, "mouse-over-box-dimensions");
+        // replace all placeholders
+        $l_obj_Template->replace(
+            array(
+
                 "label-max-width" => $this->addLabel(MCI_Footnotes_Settings::C_INT_FOOTNOTES_MOUSE_OVER_BOX_MAX_WIDTH, __("Maximum width:", MCI_Footnotes_Config::C_STR_PLUGIN_NAME)),
                 "max-width" => $this->addNumBox(MCI_Footnotes_Settings::C_INT_FOOTNOTES_MOUSE_OVER_BOX_MAX_WIDTH, 0, 1280),
                 "width" => $this->addNumBox(MCI_Footnotes_Settings::C_INT_FOOTNOTES_ALTERNATIVE_MOUSE_OVER_BOX_WIDTH, 0, 1280),
@@ -780,6 +804,38 @@ class MCI_Footnotes_Layout_Settings extends MCI_Footnotes_LayoutEngine {
         echo $l_obj_Template->getContent();
     }
 
+    public function MouseOverBoxText() {
+        // options for Yes/No select box:
+        $l_arr_Enabled = array(
+            "yes" => __("Yes", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
+            "no" => __("No", MCI_Footnotes_Config::C_STR_PLUGIN_NAME)
+        );
+
+        // load template file
+        $l_obj_Template = new MCI_Footnotes_Template(MCI_Footnotes_Template::C_STR_DASHBOARD, "mouse-over-box-text");
+        // replace all placeholders
+        $l_obj_Template->replace(
+            array(
+
+                "label-delimiter" => $this->addLabel(MCI_Footnotes_Settings::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_DELIMITER, __("Delimiter for dedicated tooltip text:", MCI_Footnotes_Config::C_STR_PLUGIN_NAME)),
+                "delimiter" => $this->addTextBox(MCI_Footnotes_Settings::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_DELIMITER),
+                "notice-delimiter" => __("If the delimiter shortcode is present, the tooltip text will be the part before it.", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
+
+                "label-mirror" => $this->addLabel(MCI_Footnotes_Settings::C_BOOL_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_ENABLE, __("Mirror the tooltip in the reference container:", MCI_Footnotes_Config::C_STR_PLUGIN_NAME)),
+                "mirror" => $this->addSelectBox(MCI_Footnotes_Settings::C_BOOL_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_ENABLE, $l_arr_Enabled),
+                "notice-mirror" => __("Tooltips may be harder to use on mobiles. This option allows to read it in the reference container.", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
+
+                "label-separator" => $this->addLabel(MCI_Footnotes_Settings::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_SEPARATOR, __("Separator between tooltip text and footnote text:", MCI_Footnotes_Config::C_STR_PLUGIN_NAME)),
+                "separator" => $this->addTextBox(MCI_Footnotes_Settings::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_SEPARATOR),
+                "notice-separator" => __("May be a simple space, or a line break <br />, or any string in your language.", MCI_Footnotes_Config::C_STR_PLUGIN_NAME),
+
+
+            )
+        );
+        // display template with replaced placeholders
+        echo $l_obj_Template->getContent();
+    }
+
     public function MouseOverBoxAppearance() {
         // options for Yes/No select box:
         $l_arr_Enabled = array(

class/settings.php

@@ -7,7 +7,7 @@
  * @since 1.5.0 14.09.14 10:43
  *
  *
- * @lastmodified 2021-02-11T1130+0100
+ * @lastmodified 2021-02-12T0928+0100
  *
  * @since 2.0.4  restore arrow settings  2020-11-02T2115+0100
  * @since 2.0.7  remove hook the_post  2020-11-06T1342+0100
@@ -105,7 +105,7 @@ class MCI_Footnotes_Settings {
      *
      * @author Stefan Herndler
      * @since 1.5.0
-     * @var bool
+     * @var str
      */
     const C_BOOL_COMBINE_IDENTICAL_FOOTNOTES = "footnote_inputfield_combine_identical";
 
@@ -496,7 +496,6 @@ class MCI_Footnotes_Settings {
      * - Bugfix: Reference container: option to restore pre-2.0.0 layout with the backlink symbol in an extra column.
      *
      * @since 2.1.1
-     *
      * @var str
      */
     const C_BOOL_REFERENCE_CONTAINER_3COLUMN_LAYOUT_ENABLE  = "footnotes_inputfield_reference_container_3column_layout_enable";
@@ -612,7 +611,7 @@ class MCI_Footnotes_Settings {
      * Unicode-compliant browsers break URLs at slashes.
      *
      * @since 2.1.6
-     * @var bool
+     * @var str
      *
      * 2020-12-09T1554+0100..2020-12-13T1313+0100
      */
@@ -652,7 +651,7 @@ class MCI_Footnotes_Settings {
      * @link https://wordpress.org/support/topic/borders-25/
      *
      * @since 2.2.10
-     * @var bool
+     * @var str
      *
      * 2020-12-25T2311+0100
      */
@@ -679,12 +678,81 @@ class MCI_Footnotes_Settings {
      * Settings container key for shortcode syntax validation
      *
      * @since 2.4.0
-     * @var bool
+     * @var str
      *
      * 2021-01-01T0616+0100
      */
     const C_BOOL_FOOTNOTE_SHORTCODE_SYNTAX_VALIDATION_ENABLE = "footnotes_inputfield_shortcode_syntax_validation_enable";
 
+    /**
+     * Settings container key to enable a backlink tooltip
+     *
+     * -
+     *
+     * @since 2.5.4
+     *
+     * @reporter
+     * @link
+     *
+     * @var str
+     */
+    const C_BOOL_FOOTNOTES_BACKLINK_TOOLTIP_ENABLE = "footnotes_inputfield_backlink_tooltip_enable";
+
+    /**
+     * Settings container key to configure the backlink tooltip
+     *
+     * -
+     *
+     * @since 2.5.4
+     *
+     * @reporter
+     * @link
+     *
+     * @var str
+     */
+    const C_STR_FOOTNOTES_BACKLINK_TOOLTIP_TEXT = "footnotes_inputfield_backlink_tooltip_text";
+
+    /**
+     * Settings container key to configure the tooltip excerpt delimiter
+     *
+     * -
+     *
+     * @since 2.5.4
+     *
+     * @reporter
+     * @link
+     *
+     * @var str
+     */
+    const C_STR_FOOTNOTES_TOOLTIP_EXCERPT_DELIMITER = "footnotes_inputfield_tooltip_excerpt_delimiter";
+
+    /**
+     * Settings container key to enable mirroring the tooltip excerpt in the reference container
+     *
+     * -
+     *
+     * @since 2.5.4
+     *
+     * @reporter
+     * @link
+     *
+     * @var str
+     */
+    const C_BOOL_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_ENABLE = "footnotes_inputfield_tooltip_excerpt_mirror_enable";
+
+    /**
+     * Settings container key to configure the tooltip excerpt separator in the reference container
+     *
+     * -
+     *
+     * @since 2.5.4
+     *
+     * @reporter
+     * @link
+     *
+     * @var str
+     */
+    const C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_SEPARATOR = "footnotes_inputfield_tooltip_excerpt_mirror_separator";
 
 
     /**
@@ -752,6 +820,11 @@ class MCI_Footnotes_Settings {
             self::C_INT_FOOTNOTES_SCROLL_OFFSET                       => 20,
             self::C_INT_FOOTNOTES_SCROLL_DURATION                     => 380,
 
+            // 2.5.4 fast-tracked:
+            self::C_BOOL_FOOTNOTES_BACKLINK_TOOLTIP_ENABLE            => 'yes',
+            self::C_STR_FOOTNOTES_BACKLINK_TOOLTIP_TEXT               => 'Alt+ ←',
+
+
             self::C_STR_REFERENCE_CONTAINER_NAME                      => 'References',
             self::C_STR_REFERENCE_CONTAINER_LABEL_ELEMENT             => 'p',
             self::C_BOOL_REFERENCE_CONTAINER_LABEL_BOTTOM_BORDER      => 'yes',
@@ -847,6 +920,12 @@ class MCI_Footnotes_Settings {
             // The truncation length is raised from 150 to 200 chars:
             self::C_INT_FOOTNOTES_MOUSE_OVER_BOX_EXCERPT_LENGTH       => 200,
 
+            // 2.5.4 fast-tracked:
+            self::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_DELIMITER           => '[[/tooltip]]',
+            self::C_BOOL_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_ENABLE      => 'no',
+            self::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_SEPARATOR   => ' — ',
+
+
             // The default position should not be lateral because of the risk
             // the box gets squeezed between note anchor at line end and window edge,
             // and top because reading at the bottom of the window is more likely:

class/task.php

@@ -7,9 +7,10 @@
  * @since 1.5.0
  *
  *
- * @lastmodified  2021-02-11T0817+0100
+ * @lastmodified  2021-02-12T1100+0100
  *
  * @since 2.0.0  Bugfix: various.
+ * @since 2.0.4  Bugfix: Referrers and backlinks: remove hard links to streamline browsing history, thanks to @theroninjedi47 bug report.
  * @since 2.0.5  Bugfix: Reference container: fix relative position through priority level, thanks to @june01 @imeson @spaceling bug reports, thanks to @spaceling code contribution.
  * @since 2.0.5  Update: Hooks: Default-enable all hooks to prevent footnotes from seeming broken in some parts.
  * @since 2.0.6  Bugfix: Infinite scroll: debug autoload by adding post ID, thanks to @docteurfitness code contribution.
@@ -74,6 +75,7 @@
  * @since 2.5.2  Update: Tooltips: ability to display dedicated content before `[[/tooltip]]`, thanks to @jbj2199 issue report.
  * @since 2.5.3  Bugfix: Reference container, tooltips: URL wrap: exclude URL pattern as folder name in Wayback Machine URL, thanks to @rumperuu bug report.
  * @since 2.5.4  Bugfix: Reference container, tooltips: URL wrap: account for leading space in value, thanks to @karolszakiel example provision.
+ * @since 2.5.4  Update: Reference container: Hard backlinks (optional): optional configurable tooltip hinting to use the backbutton instead, thanks to @@theroninjedi47 bug report.
  * @since 2.5.4  Bugfix: Tooltips: fix display in Popup Maker popups by correcting a coding error.
  */
 
@@ -173,10 +175,11 @@ class MCI_Footnotes_Task {
      * @link https://github.com/misfist/footnotes/releases/tag/2.4.0d3 repository
      * @link https://github.com/misfist/footnotes/compare/2.4.0%E2%80%A62.4.0d3 diff
      *
-     * @var bool false; depend on settings
+     * @var bool
      *
      * Streamline process depending on tooltip enabled status.
      * Load tooltip inline script only if jQuery tooltips are enabled.
+     * Actual value depends on settings.
      */
     public static $a_bool_TooltipsEnabled = false;
     public static $a_bool_AlternativeTooltipsEnabled = false;
@@ -184,6 +187,17 @@ class MCI_Footnotes_Task {
     /**
      * Hard links for AMP compatibility
 	 * 
+     * @since 2.0.0  Bugfix: footnote links script independent.
+	 * 
+	 * 
+	 * - Bugfix: Referrers and backlinks: remove hard links to streamline browsing history, thanks to @theroninjedi47 bug report.
+	 * 
+     * @since 2.0.4
+     *
+     * @reporter @theroninjedi47
+     * @link https://wordpress.org/support/topic/hyperlinked-footnotes-creating-excessive-back-history/
+     *
+     *
      * - Adding: Referrers and backlinks: optional hard links for AMP compatibility, thanks to @psykonevro bug report, thanks to @martinneumannat code contribution.
      *
      * @since 2.3.0
@@ -197,12 +211,6 @@ class MCI_Footnotes_Task {
      *
      * The official AMP plugin strips off JavaScript, breaking Footnotes’
      * animated scrolling.
-     *
-     *
-     * @since 2.0.4  remove hard links on user request
-     * @link https://wordpress.org/support/topic/hyperlinked-footnotes-creating-excessive-back-history/
-     *
-     * @since 2.0.0  add hard links
      */
     public static $a_bool_HardLinksEnable        = false;
     public static $a_str_ReferrerLinkSlug        = 'r';
@@ -239,9 +247,7 @@ class MCI_Footnotes_Task {
     /**
      * Optional link element for footnote referrers and backlinks
      *
-     * @since 2.0.0  add link elements with hard links
+     * @since 2.0.0  add link elements along with hard links.
-     * @since 2.0.4  remove hard links on user request
-     * @link https://wordpress.org/support/topic/hyperlinked-footnotes-creating-excessive-back-history/
      *
      *
      * - Bugfix: Referrers and backlinks: Styling: make link elements optional to fix issues, thanks to @docteurfitness issue report and code contribution.
@@ -261,29 +267,29 @@ class MCI_Footnotes_Task {
      *
      * @since 2.3.0
      * @datetime 2020-12-30T2313+0100
-     * @see self::$a_bool_HardLinksEnable
      *
-     * # Styling
+     * @contributor @martinneumannat
+     * @link https://wordpress.org/support/topic/making-it-amp-compatible/
      *
-     * Link color is preferred for referrers and backlinks.
+     * @reporter @psykonevro
-     * Setting a global link color is a common feature in WordPress themes.
+     * @link https://wordpress.org/support/topic/footnotes-is-not-amp-compatible/
-     * CSS does not support identifiers for link colors (color: link | hover | active | visited)
-     * These are only supported as pseudo-classes of the link element.
-     * Hence the link element must be present for styling purposes.
-     * But styling these elements with the link color is not universally preferred.
-     * If not, the very presence of the link elements may need to be avoided.
-     *
-     * # Functionality
      *
      * Although widely used for that purpose, hyperlinks are disliked for footnote linking.
      * Browsers may need to be prevented from logging these clicks in the browsing history,
      * as logging compromises the usability of the 'return to previous' button in browsers.
      * For that purpose, and for scroll animation, this linking is performed by JavaScript.
      *
-     * Link elements also raise further concerns, so that their useless proliferation needs
+     * Link elements raise concerns, so that mitigating their proliferation may be desired.
-     * to be mitigated. By contrast, due to an insufficiency in the CSS standard, real link
+     *
-     * elements are required to get the link color, as oppose
+     * By contrast, due to an insufficiency in the CSS standard, coloring elements with the
-     * this variable keeps its default value if hard links are disabled
+     * theme’s link color requires real link elements and cannot be done with named colors,
+     * as CSS does not support 'color: link|hover|active|visited', after the pseudo-classes
+     * of the link element.
+     *
+     * Yet styling these elements with the link color is not universally preferred, so that
+     * the very presence of these link elements may need to be avoided.
+     *
+     * @see self::$a_bool_HardLinksEnable
      */
     public static $a_str_LinkSpan     = 'span';
     public static $a_str_LinkOpenTag  = '';
@@ -1284,7 +1290,7 @@ class MCI_Footnotes_Task {
             $l_str_FootnoteText = substr($p_str_Content, $l_int_PosStart + strlen($l_str_StartingTag), $l_int_Length - strlen($l_str_StartingTag));
 
             // get tooltip text if present:
-            self::$a_str_TooltipShortcode = '[[/tooltip]]'; // grab from DB
+            self::$a_str_TooltipShortcode = MCI_Footnotes_Settings::instance()->get(MCI_Footnotes_Settings::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_DELIMITER);
             self::$a_int_TooltipShortcodeLength = strlen( self::$a_str_TooltipShortcode );
             $l_int_TooltipTextLength = strpos( $l_str_FootnoteText, self::$a_str_TooltipShortcode );
             $l_bool_HasTooltipText = $l_int_TooltipTextLength === false ? false : true;
@@ -1563,8 +1569,10 @@ class MCI_Footnotes_Task {
                     $l_str_FootnoteLinkArgument .= $l_int_Index;
                     $l_str_FootnoteLinkArgument .= '" class="footnote_hard_link"';
 
-                    // compose offset anchor, an empty span child of empty span
+					/**
-                    // to prevent browsers from drawing tall dotted rectangles:
+					 * Compose fragment ID anchor with offset, for use in reference container.
+					 * Empty span, child of empty span, to avoid tall dotted rectangles in browser.
+					 */
 					$l_str_ReferrerAnchorElement  = '<span class="footnote_referrer_base"><span id="';
                     $l_str_ReferrerAnchorElement .= self::$a_str_ReferrerLinkSlug;
                     $l_str_ReferrerAnchorElement .= self::$a_str_PostContainerIdCompound;
@@ -1905,13 +1913,37 @@ class MCI_Footnotes_Task {
              *
              * If enabled, and for the case the footnote is single, compose hard link:
              */
-            // define variable as empty for the reference container if not enabled:
+            // define anyway:
             $l_str_HardLinkAddress = '';
 
             if (self::$a_bool_HardLinksEnable) {
 				
-                // compose fragment ID anchor with offset, for use in reference container, an
+				/**
-                // empty span child of empty span to avoid tall dotted rectangles in browser:
+				 * Use-Backbutton-Hint tooltip, optional and configurable.
+				 * 
+				 * - Update: Reference container: Hard backlinks (optional): optional configurable tooltip hinting to use the backbutton instead, thanks to @@theroninjedi47 bug report.
+				 * 
+				 * @since 2.5.4
+				 * 
+				 * @reporter @@theroninjedi47
+				 * @link https://wordpress.org/support/topic/hyperlinked-footnotes-creating-excessive-back-history/
+				 * 
+				 * When hard links are enabled, clicks on the backlinks are logged in the browsing history.
+				 * This tooltip hints to use the backbutton instead, so the history gets streamlined again.
+				 * @link https://wordpress.org/support/topic/making-it-amp-compatible/#post-13837359
+				 */
+				if ( MCI_Footnotes_Convert::toBool( MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_BOOL_FOOTNOTES_BACKLINK_TOOLTIP_ENABLE ) ) ) {
+					$l_str_UseBackbuttonHint  = ' title="';
+					$l_str_UseBackbuttonHint .= MCI_Footnotes_Settings::instance()->get(MCI_Footnotes_Settings::C_STR_FOOTNOTES_BACKLINK_TOOLTIP_TEXT);
+					$l_str_UseBackbuttonHint .= '"';
+				} else {
+					$l_str_UseBackbuttonHint = '';
+				}
+
+				/**
+				 * Compose fragment ID anchor with offset, for use in reference container.
+				 * Empty span, child of empty span, to avoid tall dotted rectangles in browser.
+				 */
                 $l_str_FootnoteAnchorElement  = '<span class="footnote_item_base"><span id="';
                 $l_str_FootnoteAnchorElement .= self::$a_str_FootnoteLinkSlug;
                 $l_str_FootnoteAnchorElement .= self::$a_str_PostContainerIdCompound;
@@ -1923,6 +1955,7 @@ class MCI_Footnotes_Task {
                 $l_str_HardLinkAddress .= self::$a_str_ReferrerLinkSlug;
                 $l_str_HardLinkAddress .= self::$a_str_PostContainerIdCompound;
                 $l_str_HardLinkAddress .= $l_str_FootnoteId . '"';
+                $l_str_HardLinkAddress .= $l_str_UseBackbuttonHint;
 
                 // compose optional opening link tag with optional hard link, mandatory for instance:
                 self::$a_str_LinkOpenTag  = '<a' . $l_str_HardLinkAddress;
@@ -1970,6 +2003,7 @@ class MCI_Footnotes_Task {
                     $l_str_FootnoteReference .= self::$a_str_ReferrerLinkSlug;
                     $l_str_FootnoteReference .= self::$a_str_PostContainerIdCompound;
                     $l_str_FootnoteReference .= $l_str_FootnoteId . '"';
+					$l_str_FootnoteReference .= $l_str_UseBackbuttonHint;
                 }
                 $l_str_FootnoteReference .= ' class="footnote_backlink"';
 
@@ -2046,6 +2080,7 @@ class MCI_Footnotes_Task {
                                 $l_str_FootnoteBacklinks .= self::$a_str_ReferrerLinkSlug;
                                 $l_str_FootnoteBacklinks .= self::$a_str_PostContainerIdCompound;
                                 $l_str_FootnoteBacklinks .= $l_str_FootnoteId . '"';
+                                $l_str_FootnoteBacklinks .= $l_str_UseBackbuttonHint;
                             }
 
                             $l_str_FootnoteBacklinks .= ' class="footnote_backlink"';
@@ -2087,10 +2122,10 @@ class MCI_Footnotes_Task {
             $l_bool_HasTooltipText = $l_int_TooltipTextLength === false ? false : true;
             if ( $l_bool_HasTooltipText ) {
                 $l_str_NotTooltipText = substr( $l_str_FootnoteText, ( $l_int_TooltipTextLength + self::$a_int_TooltipShortcodeLength ) );
-                self::$a_bool_MirrorTooltipText = false; // grab from settings!
+                self::$a_bool_MirrorTooltipText = MCI_Footnotes_Convert::toBool( MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_BOOL_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_ENABLE ) );
                 if ( self::$a_bool_MirrorTooltipText ) {
                     $l_str_TooltipText = substr( $l_str_FootnoteText, 0, $l_int_TooltipTextLength );
-                    $l_str_ReferenceTextIntroducer = ' '; // grab from settings!
+                    $l_str_ReferenceTextIntroducer = MCI_Footnotes_Settings::instance()->get(MCI_Footnotes_Settings::C_STR_FOOTNOTES_TOOLTIP_EXCERPT_MIRROR_SEPARATOR);
                     $l_str_ReferenceText = $l_str_TooltipText . $l_str_ReferenceTextIntroducer . $l_str_NotTooltipText;
                 } else {
                     $l_str_ReferenceText = $l_str_NotTooltipText;
@@ -2099,10 +2134,7 @@ class MCI_Footnotes_Task {
                 $l_str_ReferenceText = $l_str_FootnoteText;
             }
 
-            // replace all placeholders in 'templates/public/reference-container-body.html'
+            // replace all placeholders in table row template:
-            // or in 'templates/public/reference-container-body-combi.html'
-            // or in 'templates/public/reference-container-body-3column.html'
-            // or in 'templates/public/reference-container-body-switch.html'
             $l_obj_Template->replace(
                 array(
 

class/template.php

@@ -7,7 +7,7 @@
  * @since 1.5.0 14.09.14 10:58
  *
  *
- * @lastmodified 2021-02-08T1925+0100
+ * @lastmodified 2021-02-12T1113+0100
  *
  * @since 2.0.3  prettify reference container template
  * @since 2.0.3  replace tab with a space

css/public.css

@@ -8,7 +8,7 @@
 
 /* Version: 2.5.4
 
-Last modified: 2021-01-30T0113+0100
+Last modified: 2021-02-12T1051+0100
 
 
         Classes recommended for Custom CSS are listed in
@@ -123,11 +123,24 @@ word-break: break-word;
 overflow-wrap: anywhere;
 word-wrap: anywhere;
 word-break: break-all;
+
+These rules turn out useless for the purpose and are commented out:
+word-wrap: break-word;
+overflow-wrap: break-word;
+
+
+- Bugfix: Reference container, tooltips: URL wrap: enable the 'word-wrap: anywhere' rule, thanks to @rebelc0de bug report.
+
+@since 2.5.4
+
+@reporter @rebelc0de
+@link https://wordpress.org/support/topic/footnotes-on-mobile-phones/#post-14037101
 */
 
 .footnote_url_wrap {
-    overflow-wrap: break-word;
+	word-wrap: anywhere;
-    word-wrap: break-word;
+	overflow-wrap: anywhere;
+	word-break: break-all;
 }
 
 /*****************************************************
@@ -164,6 +177,9 @@ Classes:
 
 @since 2.1.1  Referrers: line height 0 to fix superscript, thanks to @cwbayer bug report
 @see <https://wordpress.org/support/topic/footnote-number-in-text-superscript-disrupts-leading/>
+
+@since 2.5.4  Bugfix: Referrers: fix vertical alignment, font size and position (static) for cross-theme stability, thanks to @tomturowski bug report.
+@link https://wordpress.org/support/topic/in-line-superscript-ref-rides-to-high/
 */
 
 .footnote_referrer,
@@ -189,6 +205,9 @@ Classes:
 
 .footnote_plugin_tooltip_text {
     line-height: 0;
+    vertical-align: super;
+    font-size: smaller;
+    position: static;
     cursor: pointer;
 }
 

footnotes.php

@@ -4,7 +4,7 @@
     Plugin URI: https://wordpress.org/plugins/footnotes/
     Description: time to bring footnotes to your website! footnotes are known from offline publishing and everybody takes them for granted when reading a magazine.
     Author: Mark Cheret
-    Version: 2.5.4d5
+    Version: 2.5.4d6
     Author URI: http://cheret.de/plugins/footnotes-2/
     Text Domain: footnotes
     Domain Path: /languages
@@ -18,10 +18,10 @@
  * @since 2.1.4
  * @since 2.5.3 (Hungarian)
  * @var str
- * @lastmodified 2021-02-11T1131+0100
+ * @lastmodified 2021-02-12T1056+0100
  * @committer @pewgeuges
  */
-define( 'C_STR_FOOTNOTES_VERSION', '2.5.4d5' );
+define( 'C_STR_FOOTNOTES_VERSION', '2.5.4d6' );
 
 /*
     LICENSE NOTICE

note-for-developers.txt

@@ -1,9 +1,9 @@
 note-for-developers.txt
 @datetime 2020-12-19T0609+0100
-@lastmodified 2021-02-08T0843+0100
+@lastmodified 2021-02-12T0616+0100
 
 
-Footnotes plugin for WordPress, v2.5.3 and later
+Plugin Footnotes for WordPress, v2.5.3 and later
 
 
 A.  Customized template parts
@@ -56,19 +56,21 @@ B.  Customized documentation schema
 In community-based, open source projects, it is important to comprehensively
 recognize, acknowledge and document how developers, testers and users helped
 build the product.
+https://wordpress.org/support/topic/great-tool-1549/#post-14039334
 
 Note: Per the WordPress Coding Standards, the '@author' tag must not be used.
 https://developer.wordpress.org/coding-standards/inline-documentation-standards/php/
 
-PHPDOC tag:      Role:                 In the changelog:
+PHPDOC tag:      Role:                 Acknowledgment in the changelog:
-
+‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
 @contributor     Provided code.        “thanks to @USERNAME code contribution.”
 
 @reporter        Reported a bug.       “thanks to @USERNAME bug report.”
 @reporter        Reported an issue.    “thanks to @USERNAME issue report.”
 @reporter        Requested a feature.  “thanks to @USERNAME issue report.” (!)
+@reporter        Provided feedback.    “thanks to @USERNAME feedback.”
+@reporter        Provided an example.  “thanks to @USERNAME example provision.”
 
-@user            Provided feedback.    “thanks to @USERNAME feedback.”
 @user            Allowed insight.      “thanks to @USERNAME usage.”
 
 @accountable     Edited the codebase.   -
@@ -77,6 +79,7 @@ PHPDOC tag:      Role:                 In the changelog:
 
 
 PHPDOC tags & custom tags
+‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
 2021-01-24T2310+0100
 2021-02-08T0415+0100
 

readme.txt

@@ -79,19 +79,24 @@ Visit this swift write-up from a **footnotes** user by the name of **Southwest**
 
 == Changelog ==
 
-= 2.5.4d5 =
+= 2.5.4d6 =
+- Bugfix: Referrers: fix vertical alignment, font size and position (static) for cross-theme stability, thanks to @tomturowski bug report.
+- Bugfix: Reference container, tooltips: URL wrap: enable the 'word-wrap: anywhere' rule, thanks to @rebelc0de bug report.
+- Bugfix: Reference container, tooltips: URL wrap: account for leading space in value, thanks to @karolszakiel example provision.
+- Bugfix: Dashboard: Tooltip dimensions: move from 'Tooltip position' to a dedicated metabox, thanks to @codldmac issue report.
 - Update: Libraries: jQuery Tools: replace deprecated function jQuery.isFunction(), thanks to @a223123131 bug report.
 - Bugfix: Editor button: Classic Editor text mode: try to fix uncaught reference error of “QTags is not defined”, thanks to @dpartridge bug report.
-- Bugfix: Reference container, tooltips: URL wrap: account for leading space in value, thanks to @karolszakiel example provision.
+- Update: Reference container: Hard backlinks (optional): optional configurable tooltip hinting to use the backbutton instead, thanks to @@theroninjedi47 bug report.
+- Update: Tooltips: Excerpt delimiter: add configuration settings in the dashboard.
 - Bugfix: Tooltips: fix display in Popup Maker popups by correcting a coding error.
 - Bugfix: Editor button: Classic Editor text mode: correct label to singular.
-- Bugfix: Libraries: jQuery Tools: replace discouraged double equals sign with recommended triple equals sign.
+- Bugfix: Libraries: jQuery Tools: replace double equals sign discouraged in JavaScript with recommended triple equals sign.
 
 = 2.5.3 =
 - Bugfix: Reference container, tooltips: URL wrap: exclude URL pattern as folder name in Wayback Machine URL, thanks to @rumperuu bug report.
 
 = 2.5.2 =
-- Update: Tooltips: ability to display dedicated content before `[[/tooltip]]`, thanks to @jbj2199 issue report.
+- Update: Tooltips: Excerpt delimiter: ability to display dedicated content before `[[/tooltip]]`, thanks to @jbj2199 issue report.
 - Bugfix: Localization: plugin language file name changes effective in version control system.
 
 = 2.5.1 =
@@ -288,7 +293,7 @@ Visit this swift write-up from a **footnotes** user by the name of **Southwest**
 = 2.0.6 =
 - Bugfix: Infinite scroll: debug autoload by adding post ID, thanks to @docteurfitness code contribution.
 - Bugfix: Referrers: delete vertical align tweaks, for cross-theme and user agent compatibility.
-- Bugfix: Reference container: fix line breaking behavior in footnote backlink clusters.
+- Bugfix: Reference container: fix line breaking behavior in footnote number clusters.
 - Bugfix: Reference container: auto-extending column to fit widest, to fix display with short note texts.
 - Bugfix: Reference container: IDs: slightly increased left padding.
 - Bugfix: Translations: fix spelling error and erroneously changed word in en_GB and en_US.
@@ -310,7 +315,7 @@ Visit this swift write-up from a **footnotes** user by the name of **Southwest**
 = 2.0.4 =
 - Update: Restore arrow settings to customize or disable the now prepended arrow symbol.
 - Update: GDPR: Add jQuery UI from WordPress instead of third party.
-- Bugfix: UX: Remove hyperlink addresses from referrers and backlinks wrt browsing history.
+- Bugfix: Referrers and backlinks: remove hard links to streamline browsing history, thanks to @theroninjedi47 bug report.
 - Bugfix: Reference container: remove inconvenient left/right cellpadding.
 - Bugfix: Tooltips: improve layout with inherited font size by lower line height.
 - Bugfix: Tooltips: 'Continue reading' button: disable default underline.

templates/dashboard/mouse-over-box-position.html

@@ -12,9 +12,5 @@
             <td>[[label-offset-y]]</td>
             <td>[[offset-y]] [[offset-y-alternative]] <span class="footnotes_notice">[[notice-offset-y]]</span></td>
         </tr>
-        <tr>
-            <td>[[label-max-width]]</td>
-            <td>[[max-width]] [[width]] <span class="footnotes_notice">[[notice-max-width]]</span></td>
-        </tr>
     </tbody>
 </table>

templates/dashboard/settings-scrolling.html

@@ -24,5 +24,13 @@
             <td>[[label-separator]]</td>
             <td>[[separator]] <span class="footnotes_notice">[[notice-separator]]</span></td>
         </tr>
+        <tr>
+            <td>[[label-backlink-tooltips]]</td>
+            <td>[[backlink-tooltips]] <span class="footnotes_notice">[[notice-backlink-tooltips]]</span></td>
+        </tr>
+        <tr>
+            <td>[[label-backlink-tooltip-text]]</td>
+            <td>[[backlink-tooltip-text]] <span class="footnotes_notice">[[notice-backlink-tooltip-text]]</span></td>
+        </tr>
     </tbody>
 </table>