Make Superscript parsing proper

Do this without relying converting to <sup> tags.

app/build.gradle

@@ -153,7 +153,6 @@ dependencies {
     implementation "io.noties.markwon:linkify:$markwonVersion"
     implementation "io.noties.markwon:recycler-table:$markwonVersion"
     implementation "io.noties.markwon:simple-ext:$markwonVersion"
-    implementation "io.noties.markwon:html:$markwonVersion"
     implementation "io.noties.markwon:inline-parser:$markwonVersion"
     implementation 'com.atlassian.commonmark:commonmark-ext-gfm-tables:0.14.0'
     implementation 'me.saket:better-link-movement-method:2.2.0'

app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentActivity.java

@@ -50,8 +50,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -71,8 +70,8 @@ import ml.docilealligator.infinityforreddit.comment.SendComment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.LinearLayoutManagerBugFixed;
 import ml.docilealligator.infinityforreddit.events.SwitchAccountEvent;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
 import ml.docilealligator.infinityforreddit.utils.Utils;
 import retrofit2.Retrofit;
 
@@ -166,18 +165,16 @@ public class CommentActivity extends BaseActivity implements UploadImageEnabledA
         int linkColor = mCustomThemeWrapper.getLinkColor();
         Markwon markwon = Markwon.builder(this)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override
@@ -220,18 +217,16 @@ public class CommentActivity extends BaseActivity implements UploadImageEnabledA
             contentMarkdownRecyclerView.setNestedScrollingEnabled(false);
             Markwon postBodyMarkwon = Markwon.builder(this)
                     .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                        plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                         plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                         plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                        plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                    }))
-                    .usePlugin(HtmlPlugin.create(plugin -> {
-                        plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                     }))
+                    .usePlugin(SuperscriptPlugin.create())
                     .usePlugin(new AbstractMarkwonPlugin() {
                         @NonNull
                         @Override
                         public String processMarkdown(@NonNull String markdown) {
-                            return super.processMarkdown(Utils.fixSuperScript(markdown));
+                            return super.processMarkdown(markdown);
                         }
 
                         @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/FullMarkdownActivity.java

@@ -3,14 +3,10 @@ package ml.docilealligator.infinityforreddit.activities;
 import android.app.Activity;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.graphics.Color;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.text.SpannableStringBuilder;
 import android.text.Spanned;
-import android.text.TextPaint;
-import android.text.style.ClickableSpan;
 import android.text.util.Linkify;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -33,9 +29,6 @@ import org.commonmark.ext.gfm.tables.TableBlock;
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
 import javax.inject.Inject;
 import javax.inject.Named;
 
@@ -46,8 +39,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -62,10 +54,8 @@ import ml.docilealligator.infinityforreddit.customviews.LinearLayoutManagerBugFi
 import ml.docilealligator.infinityforreddit.customviews.MarkwonLinearLayoutManager;
 import ml.docilealligator.infinityforreddit.events.SwitchAccountEvent;
 import ml.docilealligator.infinityforreddit.markdown.SpoilerParserPlugin;
-import ml.docilealligator.infinityforreddit.markdown.SpoilerSpan;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
-import ml.docilealligator.infinityforreddit.utils.Utils;
 
 public class FullMarkdownActivity extends BaseActivity {
 
@@ -139,18 +129,16 @@ public class FullMarkdownActivity extends BaseActivity {
         int linkColor = mCustomThemeWrapper.getLinkColor();
         Markwon markwon = Markwon.builder(this)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewSubredditDetailActivity.java

@@ -72,6 +72,7 @@ import io.noties.markwon.AbstractMarkwonPlugin;
 import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -386,6 +387,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
 
         Markwon markwon = Markwon.builder(this)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
                 }))

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewUserDetailActivity.java

@@ -74,6 +74,7 @@ import io.noties.markwon.AbstractMarkwonPlugin;
 import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -381,6 +382,7 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele
 
         Markwon markwon = Markwon.builder(this)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
                 }))

app/src/main/java/ml/docilealligator/infinityforreddit/activities/WikiActivity.java

@@ -44,8 +44,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -64,7 +63,7 @@ import ml.docilealligator.infinityforreddit.customviews.LinearLayoutManagerBugFi
 import ml.docilealligator.infinityforreddit.customviews.MarkwonLinearLayoutManager;
 import ml.docilealligator.infinityforreddit.events.SwitchAccountEvent;
 import ml.docilealligator.infinityforreddit.markdown.SpoilerParserPlugin;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.utils.JSONUtils;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
 import ml.docilealligator.infinityforreddit.utils.Utils;
@@ -163,18 +162,16 @@ public class WikiActivity extends BaseActivity {
         int linkColor = mCustomThemeWrapper.getLinkColor();
         markwon = Markwon.builder(this)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsListingRecyclerViewAdapter.java

@@ -3,14 +3,9 @@ package ml.docilealligator.infinityforreddit.adapters;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.ColorStateList;
-import android.graphics.Color;
 import android.graphics.PorterDuff;
 import android.net.Uri;
 import android.os.Bundle;
-import android.text.SpannableStringBuilder;
-import android.text.Spanned;
-import android.text.TextPaint;
-import android.text.style.ClickableSpan;
 import android.text.util.Linkify;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -32,8 +27,6 @@ import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.RecyclerView;
 
 import java.util.Locale;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -42,8 +35,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -64,10 +56,9 @@ import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.CommentIndentationView;
 import ml.docilealligator.infinityforreddit.customviews.SpoilerOnClickTextView;
 import ml.docilealligator.infinityforreddit.markdown.SpoilerParserPlugin;
-import ml.docilealligator.infinityforreddit.markdown.SpoilerSpan;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.utils.APIUtils;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
 import ml.docilealligator.infinityforreddit.utils.Utils;
 import retrofit2.Retrofit;
 
@@ -124,18 +115,16 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
         int commentSpoilerBackgroundColor = mCommentColor | 0xFF000000;
         mMarkwon = Markwon.builder(mActivity)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java

@@ -42,9 +42,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
-import io.noties.markwon.inlineparser.BackslashInlineProcessor;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -67,7 +65,7 @@ import ml.docilealligator.infinityforreddit.customviews.CommentIndentationView;
 import ml.docilealligator.infinityforreddit.customviews.SpoilerOnClickTextView;
 import ml.docilealligator.infinityforreddit.fragments.ViewPostDetailFragment;
 import ml.docilealligator.infinityforreddit.markdown.SpoilerParserPlugin;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.post.Post;
 import ml.docilealligator.infinityforreddit.utils.APIUtils;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
@@ -163,18 +161,16 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
         int linkColor = customThemeWrapper.getLinkColor();
         mCommentMarkwon = Markwon.builder(mActivity)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/MessageRecyclerViewAdapter.java

@@ -3,13 +3,8 @@ package ml.docilealligator.infinityforreddit.adapters;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.ColorStateList;
-import android.graphics.Color;
 import android.net.Uri;
-import android.text.SpannableStringBuilder;
-import android.text.Spanned;
-import android.text.TextPaint;
 import android.text.method.LinkMovementMethod;
-import android.text.style.ClickableSpan;
 import android.text.util.Linkify;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -24,8 +19,6 @@ import androidx.recyclerview.widget.DiffUtil;
 import androidx.recyclerview.widget.RecyclerView;
 
 import java.util.ArrayList;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -34,8 +27,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -47,12 +39,10 @@ import ml.docilealligator.infinityforreddit.activities.ViewPrivateMessagesActivi
 import ml.docilealligator.infinityforreddit.activities.ViewUserDetailActivity;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.markdown.SpoilerParserPlugin;
-import ml.docilealligator.infinityforreddit.markdown.SpoilerSpan;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.message.FetchMessage;
 import ml.docilealligator.infinityforreddit.message.Message;
 import ml.docilealligator.infinityforreddit.message.ReadMessage;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
-import ml.docilealligator.infinityforreddit.utils.Utils;
 import retrofit2.Retrofit;
 
 public class MessageRecyclerViewAdapter extends PagedListAdapter<Message, RecyclerView.ViewHolder> {
@@ -108,18 +98,16 @@ public class MessageRecyclerViewAdapter extends PagedListAdapter<Message, Recycl
 
         mMarkwon = Markwon.builder(mContext)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostDetailRecyclerViewAdapter.java

@@ -67,8 +67,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -106,7 +105,7 @@ import ml.docilealligator.infinityforreddit.customviews.LinearLayoutManagerBugFi
 import ml.docilealligator.infinityforreddit.customviews.MarkwonLinearLayoutManager;
 import ml.docilealligator.infinityforreddit.fragments.ViewPostDetailFragment;
 import ml.docilealligator.infinityforreddit.markdown.SpoilerParserPlugin;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.post.Post;
 import ml.docilealligator.infinityforreddit.post.PostPagingSource;
 import ml.docilealligator.infinityforreddit.utils.APIUtils;
@@ -227,18 +226,16 @@ public class PostDetailRecyclerViewAdapter extends RecyclerView.Adapter<Recycler
         int linkColor = customThemeWrapper.getLinkColor();
         mPostDetailMarkwon = Markwon.builder(mActivity)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PrivateMessagesDetailRecyclerViewAdapter.java

@@ -27,8 +27,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -39,9 +38,9 @@ import ml.docilealligator.infinityforreddit.activities.LinkResolverActivity;
 import ml.docilealligator.infinityforreddit.activities.ViewPrivateMessagesActivity;
 import ml.docilealligator.infinityforreddit.activities.ViewUserDetailActivity;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.message.Message;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
 import ml.docilealligator.infinityforreddit.utils.Utils;
 
 public class PrivateMessagesDetailRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
@@ -72,18 +71,16 @@ public class PrivateMessagesDetailRecyclerViewAdapter extends RecyclerView.Adapt
         mAccountName = accountName;
         mMarkwon = Markwon.builder(viewPrivateMessagesActivity)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/RulesRecyclerViewAdapter.java

@@ -22,8 +22,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -35,8 +34,7 @@ import ml.docilealligator.infinityforreddit.Rule;
 import ml.docilealligator.infinityforreddit.activities.LinkResolverActivity;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.UrlMenuBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
-import ml.docilealligator.infinityforreddit.utils.Utils;
 
 public class RulesRecyclerViewAdapter extends RecyclerView.Adapter<RulesRecyclerViewAdapter.RuleViewHolder> {
     private Markwon markwon;
@@ -47,18 +45,16 @@ public class RulesRecyclerViewAdapter extends RecyclerView.Adapter<RulesRecycler
     public RulesRecyclerViewAdapter(AppCompatActivity activity, CustomThemeWrapper customThemeWrapper) {
         markwon = Markwon.builder(activity)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SidebarFragment.java

@@ -34,8 +34,7 @@ import io.noties.markwon.Markwon;
 import io.noties.markwon.MarkwonConfiguration;
 import io.noties.markwon.core.MarkwonTheme;
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.inlineparser.AutolinkInlineProcessor;
-import io.noties.markwon.html.tag.SuperScriptHandler;
 import io.noties.markwon.inlineparser.BangInlineProcessor;
 import io.noties.markwon.inlineparser.HtmlInlineProcessor;
 import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
@@ -55,11 +54,10 @@ import ml.docilealligator.infinityforreddit.bottomsheetfragments.CopyTextBottomS
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.UrlMenuBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.LinearLayoutManagerBugFixed;
+import ml.docilealligator.infinityforreddit.markdown.SuperscriptPlugin;
 import ml.docilealligator.infinityforreddit.subreddit.FetchSubredditData;
 import ml.docilealligator.infinityforreddit.subreddit.SubredditData;
 import ml.docilealligator.infinityforreddit.subreddit.SubredditViewModel;
-import ml.docilealligator.infinityforreddit.markdown.SuperscriptInlineProcessor;
-import ml.docilealligator.infinityforreddit.utils.Utils;
 import retrofit2.Retrofit;
 
 public class SidebarFragment extends Fragment {
@@ -111,18 +109,16 @@ public class SidebarFragment extends Fragment {
 
         Markwon markwon = Markwon.builder(activity)
                 .usePlugin(MarkwonInlineParserPlugin.create(plugin -> {
+                    plugin.excludeInlineProcessor(AutolinkInlineProcessor.class);
                     plugin.excludeInlineProcessor(HtmlInlineProcessor.class);
                     plugin.excludeInlineProcessor(BangInlineProcessor.class);
-                    plugin.addInlineProcessor(new SuperscriptInlineProcessor());
-                }))
-                .usePlugin(HtmlPlugin.create(plugin -> {
-                    plugin.excludeDefaults(true).addHandler(new SuperScriptHandler());
                 }))
+                .usePlugin(SuperscriptPlugin.create())
                 .usePlugin(new AbstractMarkwonPlugin() {
                     @NonNull
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
-                        return super.processMarkdown(Utils.fixSuperScript(markdown));
+                        return super.processMarkdown(markdown);
                     }
 
                     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/markdown/SuperScriptSpan.java

@@ -0,0 +1,25 @@
+package ml.docilealligator.infinityforreddit.markdown;
+
+import android.text.TextPaint;
+import android.text.style.MetricAffectingSpan;
+
+import androidx.annotation.NonNull;
+
+public class SuperScriptSpan extends MetricAffectingSpan {
+    private static final float SCRIPT_DEF_TEXT_SIZE_RATIO = .75F;
+
+    @Override
+    public void updateDrawState(TextPaint tp) {
+        apply(tp);
+    }
+
+    @Override
+    public void updateMeasureState(@NonNull TextPaint tp) {
+        apply(tp);
+    }
+
+    private void apply(TextPaint paint) {
+        paint.setTextSize(paint.getTextSize() * SCRIPT_DEF_TEXT_SIZE_RATIO);
+        paint.baselineShift += (int) (paint.ascent() / 2);
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/markdown/Superscript.java

@@ -0,0 +1,31 @@
+package ml.docilealligator.infinityforreddit.markdown;
+
+import org.commonmark.node.CustomNode;
+import org.commonmark.node.Visitor;
+
+public class Superscript extends CustomNode {
+    private String literal;
+    private int level;
+
+    @Override
+    public void accept(Visitor visitor) {
+        visitor.visit(this);
+    }
+
+    public String getLiteral() {
+        return literal;
+    }
+
+    public void setLiteral(String literal) {
+        this.literal = literal;
+    }
+
+    public int getLevel() {
+        return level;
+    }
+
+    public void setLevel(int level) {
+        this.level = level;
+    }
+
+}

app/src/main/java/ml/docilealligator/infinityforreddit/markdown/SuperscriptInlineProcessor.java

@@ -1,32 +0,0 @@
-package ml.docilealligator.infinityforreddit.markdown;
-
-import androidx.annotation.Nullable;
-
-import org.commonmark.node.HtmlInline;
-import org.commonmark.node.Node;
-
-import java.util.regex.Pattern;
-
-import io.noties.markwon.inlineparser.InlineProcessor;
-
-public class SuperscriptInlineProcessor extends InlineProcessor {
-    private static final Pattern HTML_TAG = Pattern.compile("</?sup>", Pattern.CASE_INSENSITIVE);
-
-    @Override
-    public char specialCharacter() {
-        return '<';
-    }
-
-    @Nullable
-    @Override
-    protected Node parse() {
-        String m = match(HTML_TAG);
-        if (m != null) {
-            HtmlInline node = new HtmlInline();
-            node.setLiteral(m);
-            return node;
-        } else {
-            return null;
-        }
-    }
-}

app/src/main/java/ml/docilealligator/infinityforreddit/markdown/SuperscriptParser.java

@@ -0,0 +1,117 @@
+package ml.docilealligator.infinityforreddit.markdown;
+
+import androidx.annotation.Nullable;
+
+import org.commonmark.node.Node;
+
+import io.noties.markwon.inlineparser.InlineProcessor;
+
+public class SuperscriptParser extends InlineProcessor {
+
+    private int level = 0;
+
+    @Override
+    public char specialCharacter() {
+        return '^';
+    }
+
+    @Nullable
+    @Override
+    protected Node parse() {
+        Node node = parseSuperscript(level);
+        if (node != null) {
+            return nestSuperscriptNodes(node);
+        }
+        level = 0;
+        return null;
+    }
+
+    private Node nestSuperscriptNodes(Node node) {
+        if (block.getLastChild() instanceof Superscript
+                && peek() != '^') {
+            var current = block.getLastChild();
+            current.appendChild(node);
+            Node tmp = null;
+            while (true) {
+                tmp = current;
+                current = current.getPrevious();
+                if (current instanceof Superscript) {
+                    current.appendChild(tmp);
+                } else {
+                    break;
+                }
+            }
+            level = 0;
+            return tmp;
+        } else {
+            level++;
+            return node;
+        }
+    }
+
+    // Hopefully we've handled edge cases
+    private Superscript parseSuperscript(int level) {
+        int start = index;
+        int length = input.length();
+        int caret_pos = -1;
+        int nCarets = 0;
+        int new_lines = 0;
+        boolean hasBracket = false;
+        for (int i = start; i < length; i++) {
+            char currentChar = input.charAt(i);
+            if (currentChar == '\n') {
+                new_lines++;
+                if (new_lines > 0 && nCarets > 0 || hasBracket) {
+                    break;
+                }
+            } else if ((i + 1) < length
+                    && nCarets == 0
+                    && !hasBracket
+                    && !(i > 0 && input.charAt(i - 1) == '\\')
+                    && currentChar == '^'
+                    && !Character.isWhitespace(input.charAt(i + 1))) {
+                if (input.charAt(i + 1) == '(') {
+                    hasBracket = true;
+                }
+                caret_pos = i;
+                nCarets++;
+            } else if (nCarets > 0) {
+                if (hasBracket
+                        && (i > 0)
+                        && currentChar == ')'
+                        && input.charAt(i - 1) != '\\') {
+                    index = i + 1;
+                    Superscript node = new Superscript();
+                    node.setLiteral(input.substring(caret_pos + 2, i));
+                    node.setLevel(level);
+                    return node;
+                } else if (!hasBracket && Character.isWhitespace(currentChar)) {
+                    index = i;
+                    Superscript node = new Superscript();
+                    node.setLiteral(input.substring(caret_pos + 1, i));
+                    node.setLevel(level);
+                    return node;
+                } else if (!hasBracket && (i == length - 1)) {
+                    index = i + 1;
+                    Superscript node = new Superscript();
+                    node.setLiteral(input.substring(caret_pos + 1, i + 1));
+                    node.setLevel(level);
+                    return node;
+                } else if ((i + 1) < length
+                        && (i > 0)
+                        && currentChar == '^'
+                        && input.charAt(i - 1) != '\\'
+                        && !Character.isWhitespace(input.charAt(i + 1))) {
+                    index = i;
+                    Superscript node = new Superscript();
+                    node.setLiteral(input.substring(caret_pos + 1, i));
+                    node.setLevel(level);
+                    node.setLevel(level);
+                    return node;
+                }
+            }
+        }
+        return null;
+    }
+}
+

app/src/main/java/ml/docilealligator/infinityforreddit/markdown/SuperscriptPlugin.java

@@ -0,0 +1,38 @@
+package ml.docilealligator.infinityforreddit.markdown;
+
+import androidx.annotation.NonNull;
+
+import io.noties.markwon.AbstractMarkwonPlugin;
+import io.noties.markwon.MarkwonVisitor;
+import io.noties.markwon.inlineparser.MarkwonInlineParserPlugin;
+
+public class SuperscriptPlugin extends AbstractMarkwonPlugin {
+
+    SuperscriptPlugin() {
+
+    }
+
+    public static SuperscriptPlugin create() {
+        return new SuperscriptPlugin();
+    }
+
+    @Override
+    public void configure(@NonNull Registry registry) {
+        registry.require(MarkwonInlineParserPlugin.class, plugin ->
+                plugin.factoryBuilder().addInlineProcessor(new SuperscriptParser()));
+    }
+
+    @Override
+    public void configureVisitor(@NonNull MarkwonVisitor.Builder builder) {
+        builder.on(Superscript.class, (visitor, superscript) -> {
+            if (superscript.getLevel() < 29) { // Arbitrary nesting limit
+                final int start = visitor.length();
+                visitor.builder().append(superscript.getLiteral());
+                visitor.visitChildren(superscript);
+                visitor.setSpans(start, new SuperScriptSpan());
+            } else {
+                visitor.clear();
+            }
+        });
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/utils/Utils.java

@@ -87,53 +87,9 @@ public final class Utils {
         regexed = REGEX_PATTERN[7].matcher(regexed).replaceAll("$0");
         regexed = REGEX_PATTERN[8].matcher(regexed).replaceAll("$0");
 
-        //return fixSuperScript(regexed);
-        // We don't want to fix super scripts here because we need the original markdown later for editing posts
         return regexed;
     }
 
-    public static String fixSuperScript(String regexedMarkdown) {
-        StringBuilder regexed = new StringBuilder(regexedMarkdown);
-        boolean hasBracket = false;
-        int nCarets = 0;
-        for (int i = 0; i < regexed.length(); i++) {
-            char currentChar = regexed.charAt(i);
-            if (currentChar == '^') {
-                if (!(i > 0 && regexed.charAt(i - 1) == '\\')) {
-                    if (i < regexed.length() - 1 && regexed.charAt(i + 1) == '(') {
-                        regexed.replace(i, i + 2, "<sup>");
-                        hasBracket = true;
-                    } else {
-                        regexed.replace(i, i + 1, "<sup>");
-                    }
-                    nCarets++;
-                }
-            } else if (currentChar == ')' && hasBracket) {
-                hasBracket = false;
-                regexed.replace(i, i + 1, "</sup>");
-                nCarets--;
-            } else if (currentChar == '\n') {
-                hasBracket = false;
-                for (int j = 0; j < nCarets; j++) {
-                    regexed.insert(i, "</sup>");
-                    i += 6;
-                }
-                nCarets = 0;
-            } else if (currentChar == ' ' && !hasBracket) {
-                for (int j = 0; j < nCarets; j++) {
-                    regexed.insert(i, "</sup>");
-                    i += 6;
-                }
-                nCarets = 0;
-            }
-        }
-        for (int j = 0; j < nCarets; j++) {
-            regexed.append("</sup>");
-        }
-
-        return regexed.toString();
-    }
-
     public static String parseInlineGifInComments(String markdown) {
         StringBuilder markdownStringBuilder = new StringBuilder(markdown);
         Pattern inlineGifPattern = REGEX_PATTERN[9];