diff --git a/examples/unit_test.rpy b/examples/unit_test.rpy
index d1a2788..6f32742 100644
--- a/examples/unit_test.rpy
+++ b/examples/unit_test.rpy
@@ -23,6 +23,13 @@
         define s = Character('Sylvie', color="#f44747")
         define s = Character('Sylvie', color="#808080")
 
+        default name1="foo"
+        default name2="bar"
+        default names=list(["[name1]","[name2][[]"])
+
+        label start:
+            $ my_list = ["[name1]]"]
+
         define m = Character('Me', color="#c8c8ff")
 
         image logo = "renpy logo.png"
diff --git a/src/diagnostics.ts b/src/diagnostics.ts
index 2d49467..57e7e31 100644
--- a/src/diagnostics.ts
+++ b/src/diagnostics.ts
@@ -1,8 +1,9 @@
 // Diagnostics (warnings and errors)
-import { commands, Diagnostic, DiagnosticCollection, DiagnosticSeverity, Disposable, ExtensionContext, FileType, languages, Range, TextDocument, Uri, window, workspace } from "vscode";
+import { commands, Diagnostic, DiagnosticCollection, DiagnosticSeverity, Disposable, ExtensionContext, FileType, languages, LogLevel, Range, TextDocument, Uri, window, workspace } from "vscode";
 import { NavigationData } from "./navigation-data";
 import { getAllOpenTabInputTextUri } from "./utilities/functions";
 import { extractFilename } from "./workspace";
+import { LogCategory, logCatMessage } from "./logger";
 
 // Renpy Store Variables (https://www.renpy.org/doc/html/store_variables.html)
 // These variables do not begin with '_' but should be ignored by store warnings because they are pre-defined by Ren'Py
@@ -202,17 +203,21 @@ function refreshDiagnostics(doc: TextDocument, diagnosticCollection: DiagnosticC
 function refreshOpenDocuments(diagnosticCollection: DiagnosticCollection) {
     diagnosticCollection.clear();
     const tabInputTextUris = getAllOpenTabInputTextUri();
-    tabInputTextUris.forEach((uri) => {
-        diagnoseFromUri(uri, diagnosticCollection);
+    tabInputTextUris.forEach(async (uri) => {
+        await diagnoseFromUri(uri, diagnosticCollection);
     });
 }
 
-function diagnoseFromUri(uri: Uri, diagnosticCollection: DiagnosticCollection) {
-    workspace.fs.stat(uri).then((stat) => {
-        if (stat.type === FileType.File) {
+async function diagnoseFromUri(uri: Uri, diagnosticCollection: DiagnosticCollection) {
+    try {
+        const fileInfo = await workspace.fs.stat(uri);
+
+        if (fileInfo.type === FileType.File) {
             workspace.openTextDocument(uri).then((document) => refreshDiagnostics(document, diagnosticCollection));
         }
-    });
+    } catch (error) {
+        logCatMessage(LogLevel.Error, LogCategory.Default, error as string);
+    }
 }
 
 function onDeleteFromWorkspace(uri: Uri, diagnosticCollection: DiagnosticCollection) {
diff --git a/syntaxes/renpy.atl.tmLanguage.json b/syntaxes/renpy.atl.tmLanguage.json
index 4877754..76ef0ed 100644
--- a/syntaxes/renpy.atl.tmLanguage.json
+++ b/syntaxes/renpy.atl.tmLanguage.json
@@ -401,6 +401,7 @@
           "name": "entity.name.type.transform.renpy",
           "match": "\\b([[:alpha:]_]\\w*)\\b"
         },
+        { "include": "source.renpy.python#parameters" },
         { "include": "source.renpy#whitespace" }
       ]
     }
diff --git a/syntaxes/renpy.python.tmLanguage.json b/syntaxes/renpy.python.tmLanguage.json
index dbdbd46..9ea481e 100644
--- a/syntaxes/renpy.python.tmLanguage.json
+++ b/syntaxes/renpy.python.tmLanguage.json
@@ -1996,11 +1996,11 @@
     },
     "string-quoted-single-line": {
       "name": "string.quoted.single.python",
-      "begin": "(\\b[rRuU])?(\\b\\w+)?(['\"])",
+      "begin": "(?:\\b([rR])(?=[uU]))?([uU])?(['\"])",
       "end": "(\\3)|((?<!\\\\)\\n)",
       "beginCaptures": {
-        "1": { "name": "storage.type.string.python" },
-        "2": { "name": "invalid.illegal.prefix.python" },
+        "1": { "name": "invalid.illegal.prefix.python" },
+        "2": { "name": "storage.type.string.python" },
         "3": { "name": "punctuation.definition.string.begin.python" }
       },
       "endCaptures": {
diff --git a/syntaxes/renpy.screen.tmLanguage.json b/syntaxes/renpy.screen.tmLanguage.json
index 1cb7fa7..7b2a9a8 100644
--- a/syntaxes/renpy.screen.tmLanguage.json
+++ b/syntaxes/renpy.screen.tmLanguage.json
@@ -40,11 +40,11 @@
         {
           "comment": "Special manipulation keywords",
           "name": "keyword.control.flow.renpy",
-          "match": "\\b(?<!\\.)(?:action|at|(?:un)?hovered|alt|value|dragged)\\b"
+          "match": "\\b(?<!\\.)(?:action|at|(?:un)?hovered|alt|value|dragged|released)\\b"
         },
         {
           "comment": "Special manipulation keywords",
-          "match": "\\b(?<!\\.)(key|input|(?:text|image)?button|grid|auto|mousearea|side|timer|[vh]?bar|action|viewport|(?:vp)?grid|imagemap|hotspot|hotbar|transclude)\\b",
+          "match": "\\b(?<!\\.)(key|default|input|(?:text|image)?button|grid|auto|mousearea|side|timer|[vh]?bar|action|viewport|(?:vp)?grid|imagemap|hotspot|hotbar|transclude)\\b",
           "captures": {
             "1": { "name": "keyword.other.renpy" }
           }
@@ -190,11 +190,11 @@
         },
         {
           "name": "keyword.other.renpy",
-          "match": "\\b(?<!\\.)(?:sensitive|tag|text|drag|draggroup|id|test)\\b"
+          "match": "\\b(?<!\\.)(?:sensitive|tag|text|drag|draggroup|id|test|style)\\b[^\\.]"
         },
         {
           "name": "entity.other.attribute-name.transform.renpy entity.name.tag.css.transform.renpy",
-          "match": "\\b(?<!\\.)(?:modal|style|style_group|style_prefix|zorder|tooltip|variant|layer|roll_forward)\\b"
+          "match": "\\b(?<!\\.)(?:modal|style_group|style_prefix|zorder|tooltip|variant|layer|roll_forward)\\b"
         },
         {
           "name": "keyword.other.renpy",
@@ -206,7 +206,7 @@
       "patterns": [
         {
           "contentName": "meta.screen.block.renpy",
-          "begin": "(?<=(^[ \\t]*)(?:screen|frame|fixed|window|viewport|drag|draggroup|(?:vp)?grid|text|vbox|hbox|imagemap)\\b.*?)(:)",
+          "begin": "(?<=(^[ \\t]*)(?:screen|frame|fixed|window|viewport|drag|draggroup|(?:vp)?grid|vbox|hbox|imagemap)\\b.*?)(:)",
           "beginCaptures": {
             "2": { "name": "punctuation.section.screen.begin.renpy" }
           },
@@ -214,6 +214,18 @@
           "patterns": [
             { "include": "#screen-language" }
           ]
+        },
+        {
+          "contentName": "meta.atl.block.renpy",
+          "begin": "(?<=(^[ \\t]*)(?:text)\\b.*?)(:)",
+          "beginCaptures": {
+            "2": { "name": "punctuation.section.atl.begin.renpy" }
+          },
+          "end": "^(?=(?!\\1)[ \\t]*[^\\s#]|\\1[^\\s#])",
+          "patterns": [
+            { "include": "#screen-language" },
+            { "include": "source.renpy.atl" }
+          ]
         }
       ]
     },
@@ -240,45 +252,22 @@
       }
     },
     "screen-text": {
-      "contentName": "meta.screen.text.renpy",
-      "begin": "^([ \\t]+)?(text)\\b[ \\t]*(:)",
+      "name": "meta.screen.text.renpy",
+      "begin": "(?<=^[ \\t]*)(text)\\b",
       "beginCaptures": {
-        "1": { "name": "punctuation.whitespace.leading.block.renpy" },
-        "2": { "name": "keyword.text.renpy" },
-        "3": { "name": "punctuation.section.block.begin.renpy" }
+        "1": { "name": "keyword.text.renpy" }
       },
-      "end": "^(?=(?!\\1)[ \\t]*[^\\s#]|\\1[^\\s#])",
-
+      "end": "(?=:)|$",
       "patterns": [
+        { "include": "source.renpy#strings" },
         {
-          "name": "meta.screen.text.renpy",
-          "contentName": "meta.atl-block.renpy",
-          "begin": "^([ \\t]+)?(text)\\b[ \\t]*([a-zA-Z_0-9 ]*)(:)",
-          "beginCaptures": {
-            "1": { "name": "punctuation.whitespace.leading.renpy" },
-            "2": { "name": "keyword.text.renpy" },
-            "3": { "name": "entity.name.type.text.renpy" },
-            "4": { "name": "punctuation.section.atl.begin.renpy" }
-          },
-          "end": "^(?=(?!\\1)[ \\t]*[^\\s#]|\\1[^\\s#])",
-          "patterns": [ { "include": "source.renpy.atl" } ]
+          "match": "(?<=text[ \\t]*)\\b(?:[a-zA-Z_0-9]+)\\b(?=[ \\t]+|$)",
+          "name": "entity.name.type.text.renpy"
         },
-        {
-          "name": "meta.screen.text.renpy",
-          "begin": "(?<=^[ \\t]*)(text)\\b[ \\t]*",
-          "beginCaptures": {
-            "1": { "name": "keyword.text.renpy" }
-          },
-          "end": "(?=\\b(at)\\b|#|=)|$",
-          "patterns": [
-            { "include": "source.renpy#strings" },
-            {
-              "match": "\\b(?:[a-zA-Z_0-9]+)\\b[ \\t]*",
-              "name": "entity.name.type.text.renpy"
-            }
-          ]
-        },
-        { "include": "source.renpy#at-statement" }
+        { "include": "source.renpy#at-statement" },
+        { "include": "#screen-keywords" },
+        { "include": "#screen-simple-expression" },
+        { "include": "source.renpy#fallback-patterns" }
       ]
     },
     "screen-box": {
@@ -337,6 +326,7 @@
         { "include": "#screen-window" },
         { "include": "#screen-box" },
         { "include": "#screen-text" },
+        { "include": "#screen-block-tester" },
         { "include": "#screen-keywords" },
         { "include": "#screen-simple-expression" },
         { "include": "#screen-fallback" }
diff --git a/syntaxes/renpy.style.tmLanguage.json b/syntaxes/renpy.style.tmLanguage.json
index 8c0f9c6..a018e97 100644
--- a/syntaxes/renpy.style.tmLanguage.json
+++ b/syntaxes/renpy.style.tmLanguage.json
@@ -5,6 +5,15 @@
   "scopeName": "source.renpy.style",
   "patterns": [ { "include": "#style" } ],
   "repository": {
+    "builtin-styles": {
+      "patterns": [
+        {
+          "name": "support.type.builtin.style.renpy",
+          "match": "\\b(?<!\\.)(?:(alt)?ruby_style)\\b"
+        }
+      ]
+    },
+
     "style-block-tester": {
       "patterns": [
         {
@@ -27,7 +36,11 @@
         {
           "comment": "ON EDIT: If you update this list, also update it in style-clause",
           "name": "support.constant.property-key.test.renpy entity.name.tag.css.style.renpy",
-          "match": "\\b(?<!\\.)(?:(?:selected_)?(?:hover_|idle_|insensitive_|activate_)?(?:activate_sound|adjust_spacing|aft_bar|aft_gutter|alt|altruby_style|antialias|axis|background|bar_invert|bar_resizing|unscrollable|bar_vertical|black_color|bold|bottom_margin|bottom_padding|box_layout|box_reverse|box_wrap|box_wrap_spacing|caret|child|clipping|color|debug|drop_shadow|drop_shadow_color|emoji_font|extra_alt|first_indent|first_spacing|fit_first|focus_mask|focus_rect|font|fore_bar|fore_gutter|foreground|group_alt|hinting|hover_sound|hyperlink_functions|italic|instance|justify|kerning|key_events|keyboard_focus|language|layout|line_leading|left_margin|line_overlap_split|left_padding|line_spacing|mouse|modal|min_width|mipmap|newline_indent|order_reverse|outlines|outline_scaling|prefer_emoji|rest_indent|right_margin|right_padding|ruby_line_leading|ruby_style|shaper|size|size_group|slow_abortable|slow_cps|slow_cps_multiplier|spacing|strikethrough|subtitle_width|subpixel|text_y_fudge|text_align|thumb|thumb_offset|thumb_shadow|time_policy|top_margin|top_padding|underline|vertical|xanchor|xfill|xfit|xmaximum|xminimum|xoffset|xpos|xspacing|yanchor|yfill|yfit|ymaximum|yminimum|yoffset|ypos|yspacing|margin|xmargin|ymargin|xalign|yalign|padding|xpadding|ypadding|minwidth|textalign|slow_speed|enable_hover|left_gutter|right_gutter|top_gutter|bottom_gutter|left_bar|right_bar|top_bar|bottom_bar|base_bar|box_spacing|box_first_spacing|pos|anchor|offset|align|maximum|minimum|xsize|ysize|xysize|area|xcenter|ycenter|xycenter))\\b"
+          "match": "\\b(?<!\\.)(?:(?:selected_)?(?:hover_|idle_|insensitive_|activate_)?(?:activate_sound|adjust_spacing|aft_bar|aft_gutter|alt|antialias|axis|background|bar_invert|bar_resizing|unscrollable|bar_vertical|black_color|bold|bottom_margin|bottom_padding|box_layout|box_reverse|box_wrap|box_wrap_spacing|caret|child|clipping|color|debug|drop_shadow|drop_shadow_color|emoji_font|extra_alt|first_indent|first_spacing|fit_first|focus_mask|focus_rect|font|fore_bar|fore_gutter|foreground|group_alt|hinting|hover_sound|hyperlink_functions|italic|instance|justify|kerning|key_events|keyboard_focus|language|layout|line_leading|left_margin|line_overlap_split|left_padding|line_spacing|mouse|modal|min_width|mipmap|newline_indent|order_reverse|outlines|outline_scaling|prefer_emoji|rest_indent|right_margin|right_padding|ruby_line_leading|shaper|size|size_group|slow_abortable|slow_cps|slow_cps_multiplier|spacing|strikethrough|subtitle_width|subpixel|text_y_fudge|text_align|thumb|thumb_offset|thumb_shadow|time_policy|top_margin|top_padding|underline|vertical|xanchor|xfill|xfit|xmaximum|xminimum|xoffset|xpos|xspacing|yanchor|yfill|yfit|ymaximum|yminimum|yoffset|ypos|yspacing|margin|xmargin|ymargin|xalign|yalign|padding|xpadding|ypadding|minwidth|textalign|slow_speed|enable_hover|left_gutter|right_gutter|top_gutter|bottom_gutter|left_bar|right_bar|top_bar|bottom_bar|base_bar|box_spacing|box_first_spacing|pos|anchor|offset|align|maximum|minimum|xsize|ysize|xysize|area|xcenter|ycenter|xycenter))\\b"
+        },
+        {
+          "name": "support.type.builtin.style.renpy",
+          "match": "\\b(?<!\\.)(?:(alt)?ruby_style)\\b"
         },
         {
           "name": "support.constant.property-key.renpy entity.name.tag.css.style.renpy",
@@ -111,11 +124,13 @@
       "end": "$|^",
 
       "patterns": [
-        { "include": "#style-clause" },
+        { "include": "#builtin-styles" },
         {
+          "comment": "Only the first identifier is a style name",
           "name": "entity.name.type.style.renpy",
-          "match": "\\b[\\p{XID_Start}_]\\p{XID_Continue}*\\b"
+          "match": "(?<=\\bstyle[ \\t]*)\\b[\\p{XID_Start}_]\\p{XID_Continue}*\\b"
         },
+        { "include": "#style-clause" },
         { "include": "#style-block-tester" },
         { "include": "source.renpy#fallback-patterns" }
       ]
diff --git a/syntaxes/renpy.tmLanguage.json b/syntaxes/renpy.tmLanguage.json
index ac8c3b4..709886e 100644
--- a/syntaxes/renpy.tmLanguage.json
+++ b/syntaxes/renpy.tmLanguage.json
@@ -253,12 +253,12 @@
         {
           "comment": "[TODO: Should probably only be a keyword in the expression] Renpy sub expression keywords",
           "name": "keyword.other.renpy",
-          "match": "\\b(?<!\\.)(?:set|expression|at|with|from|style_prefix|spacing|textbutton)\\b"
+          "match": "\\b(?<!\\.)(?:set|expression|from|style_prefix|spacing|textbutton)\\b"
         },
         {
           "comment": "[TODO: Should probably only be a keyword in the expression] Renpy sub expression keywords",
           "name": "keyword.control.flow.other.renpy",
-          "match": "\\b(?<!\\.)(?:action)\\b"
+          "match": "\\b(?<!\\.)(?:action|at|with)\\b"
         }
       ]
     },
@@ -306,25 +306,26 @@
     "constant_placeholder": {
       "comment": "Python value interpolation using [ ... ]",
       "name": "constant.other.placeholder.tags.renpy",
-      "match": "(\\[)(.*?)(\\])(?![^\\[]*?\\])",
-      "captures": {
-        "1": { "name": "constant.character.format.placeholder.other.renpy" },
-        "2": {
-          "name": "meta.embedded.line.python",
-          "patterns": [
-            {
-              "name": "meta.interpolate.flags.renpy",
-              "match": "(!)([rstiqulc]+)",
-              "captures": {
-                "1": { "name": "punctuation.definition.interpolate.flags.begin.renpy" },
-                "2": { "name": "storage.modifier.flag.renpy" }
-              }
-            },
-            { "include": "source.renpy.python#expression" }
-          ]
+      "contentName": "meta.embedded.line.python",
+      "begin": "(?<=[^\\[])\\[",
+      "end": "\\]",
+      "beginCaptures": {
+        "0": { "name": "constant.character.format.placeholder.begin.renpy" }
+      },
+      "endCaptures": {
+        "0": { "name": "constant.character.format.placeholder.end.renpy" }
+      },
+      "patterns": [
+        {
+          "name": "meta.interpolate.flags.renpy",
+          "match": "(!)([rstiqulc]+)",
+          "captures": {
+            "1": { "name": "punctuation.definition.interpolate.flags.begin.renpy" },
+            "2": { "name": "storage.modifier.flag.renpy" }
+          }
         },
-        "3": { "name": "constant.character.format.placeholder.other.renpy" }
-      }
+        { "include": "source.renpy.python#expression" }
+      ]
     },
     "escaped_unicode_char": {
       "match": "(\\\\U[0-9A-Fa-f]{8})|(\\\\u[0-9A-Fa-f]{4})|(\\\\N\\{[a-zA-Z ]+\\})",
@@ -895,11 +896,12 @@
         },
         {
           "name": "meta.say.narrator.renpy meta.say.statement.renpy",
-          "begin": "(?<=(^[ \\t]+))(?=r?(?:\"|'|`))",
+          "begin": "(?<=^[ \\t]+)(?=r?(?:\"|'|`))",
           "end": "$",
           "patterns": [
             { "include": "#strings" },
             { "include": "source.renpy.python#odd-function-call" },
+            { "include": "#with-statement" },
             { "include": "#fallback-patterns" }
           ]
         }