Remove trailing white space in source files

30 files changed, 101 insertions, 90 deletions

diff --git a/README.md b/README.md
index 8be447f..0d5af74 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ are mostly what you'd expect them to be (Ctrl+o for open, Ctrl+n for new, Ctrl+s
 
 ### Tips
 
-- Even if you don't want to change anything with ted, it's a good idea to look at the config file (see below) to 
+- Even if you don't want to change anything with ted, it's a good idea to look at the config file (see below) to
 check out all of the keyboard shortcuts!
 - You can use Ctrl+f for "find", but if you want to search for something across multiple files, you can do
 Ctrl+! (run shell command), then run `grep -n search_term *.py`, for example (on Windows, you will need to have
@@ -86,7 +86,7 @@ it clear it's a command.
 A list of key names can be found [here](https://wiki.libsdl.org/SDL2/SDL_Keycode).
 
 Colors are formatted like `#rgb`, `#rgba`, `#rrggbb` or `#rrggbbaa`, where r, g, b, and a are red, green,
-blue, and alpha (transparency/opacity). You can use a [color picker](https://www.google.com/search?q=color+picker) to help you out. 
+blue, and alpha (transparency/opacity). You can use a [color picker](https://www.google.com/search?q=color+picker) to help you out.
 The extensions section is fairly self-explanatory.
 
 You can set settings for specific programming languages like this:
@@ -182,7 +182,7 @@ You can Ctrl+Click on an identifier to go to its definition, or Ctrl+Shift+Click
 to its declaration, or Ctrl+Alt+Click to go to its type's definition.
 
 You can also press Ctrl+D to get a searchable list of all functions/types where you can select one to go to
-its definition. 
+its definition.
 
 Press Ctrl+space to autocomplete. If there is only one possible completion, it will be selected automatically.
 Otherwise, you'll get a popup showing all possible completions. You can press tab to select a completion (or click on it), and press
@@ -304,7 +304,8 @@ On Windows, install Microsoft Visual Studio 2022, then find and add vcvarsall.ba
 (most likely lives at `C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build`).
 Also, install the [Visual Studio Installer Projects extension](https://marketplace.visualstudio.com/items?itemName=VisualStudioClient.MicrosoftVisualStudio2022InstallerProjects)
 (needed to build the .msi installer).
-Next you will need the SDL2 VC development libraries: https://www.libsdl.org/download-2.0.php  
+
+Next you will need the SDL2 VC development libraries: https://www.libsdl.org/download-2.0.php.
 Extract the zip, copy SDL2-2.x.y into the ted directory, and rename it to SDL2. Also copy SDL2\\lib\\x64\\SDL2.dll
 to the ted directory.
 Then run `make.bat release`.
diff --git a/base.h b/base.h
index cf20670..694d6a4 100644
--- a/base.h
+++ b/base.h
@@ -115,7 +115,7 @@ typedef int64_t i64;
 /// maximum value of \ref i64
 #define I64_MAX 0x7fffffffffffffff
 
-/// allows 
+/// allows
 /// ```
 /// switch (c) {
 /// case ANY_DIGIT:
diff --git a/buffer.c b/buffer.c
index e56c18e..7ed3649 100644
--- a/buffer.c
+++ b/buffer.c
@@ -1019,7 +1019,7 @@ static void buffer_free_inner(TextBuffer *buffer) {
 	if (!ted->quit) { // don't send didClose on quit (calling buffer_lsp would actually create a LSP if this is called after destroying all the LSPs which isnt good)
 		LSP *lsp = buffer_lsp(buffer);
 		if (lsp) {
-			buffer_send_lsp_did_close(buffer, lsp, NULL);	
+			buffer_send_lsp_did_close(buffer, lsp, NULL);
 		}
 	}
 	
@@ -2546,7 +2546,7 @@ void buffer_delete_chars_at_pos(TextBuffer *buffer, BufferPos pos, i64 nchars_)
 		}
 		BufferPos del_start = pos, del_end = buffer_pos_advance(buffer, del_start, nchars);
 
-		bool create_new_edit = 
+		bool create_new_edit =
 			!last_edit || // if there is no previous edit to combine it with
 			buffer_pos_cmp(del_end, edit_start) < 0 || // or if delete does not overlap last_edit
 			buffer_pos_cmp(del_start, edit_end) > 0 ||
diff --git a/command.c b/command.c
index d6e7f40..3b647f4 100644
--- a/command.c
+++ b/command.c
@@ -492,7 +492,7 @@ void command_execute_ex(Ted *ted, Command c, const CommandArgument *full_argumen
 	case CMD_AUTOCOMPLETE_BACK:
 		if (autocomplete_is_open(ted))
 			autocomplete_prev(ted);
-		break;	
+		break;
 	case CMD_GOTO_DEFINITION:
 		menu_open(ted, MENU_GOTO_DEFINITION);
 		break;
@@ -558,7 +558,7 @@ void command_execute_ex(Ted *ted, Command c, const CommandArgument *full_argumen
 		break;
 	case CMD_TEXT_SIZE_DECREASE:
 		if (argument != 0) {
-			i64 new_text_size = settings->text_size - argument;	
+			i64 new_text_size = settings->text_size - argument;
 			if (new_text_size >= TEXT_SIZE_MIN && new_text_size <= TEXT_SIZE_MAX) {
 				settings->text_size = (u16)new_text_size;
 				ted_change_text_size(ted, (float)new_text_size);
diff --git a/config.c b/config.c
index 12153d2..064ff71 100644
--- a/config.c
+++ b/config.c
@@ -678,7 +678,7 @@ static void settings_load_bg_texture(Ted *ted, Config *cfg, const char *path) {
 		return;
 	}
 
-	cfg->settings.bg_texture = gl_rc_texture_new(texture);	
+	cfg->settings.bg_texture = gl_rc_texture_new(texture);
 }
 
 static void config_parse_line(ConfigReader *reader, Config *cfg) {
@@ -1283,7 +1283,7 @@ static char *editorconfig_glob_to_regex(ConfigReader *reader, const char *glob)
 	
 	{
 		// add base path
-		char dirname[4096];	
+		char dirname[4096];
 		strbuf_cpy(dirname, reader->filename);
 		path_dirname(dirname);
 		if (!dirname[0]) {
@@ -1672,7 +1672,7 @@ static void editorconfig_glob_test_expect(Ted *ted, const char *pattern, const c
 		.ted = ted,
 		.filename = "/test.editorconfig",
 		.line_number = 1,
-	}; 
+	};
 	char *regex = editorconfig_glob_to_regex(&reader, pattern);
 	int error_code = 0;
 	PCRE2_SIZE error_offset = 0;
diff --git a/ds.h b/ds.h
index 32b6ad4..66bef60 100644
--- a/ds.h
+++ b/ds.h
@@ -152,7 +152,7 @@ static void *arr_add_ptr_(void **arr, size_t member_size) {
 }
 
 static void arr_reserve_(void **arr, size_t member_size, size_t n) {
-	if (n >= U32_MAX-1) { 
+	if (n >= U32_MAX-1) {
 		// too big; free arr.
 		if (*arr) free(arr_hdr_(*arr));
 		*arr = NULL;
@@ -338,7 +338,7 @@ static void *arr_copy_(const void *arr, size_t member_size) {
 	} while (0)
 
 /// Ensure that enough space is allocated for `n` elements.
-#define arr_reserve(a, n) arr_reserve_((void **)&(a), sizeof *(a), (n)) 
+#define arr_reserve(a, n) arr_reserve_((void **)&(a), sizeof *(a), (n))
 /// set the length of `a` to `n`, increasing the capacity if necessary.
 /// the newly-added elements are zero-initialized.
 #define arr_set_len(a, n) arr_set_len_((void **)&(a), sizeof *(a), (n))
diff --git a/find.c b/find.c
index a2a52a8..974bd14 100644
--- a/find.c
+++ b/find.c
@@ -161,7 +161,7 @@ void find_redo_search(Ted *ted) {
 		}
 		
 		arr_foreach_ptr(ted->find_results, FindResult, res) {
-			if (best_scroll_candidate.line == U32_MAX 
+			if (best_scroll_candidate.line == U32_MAX
 			|| (buffer_pos_cmp(best_scroll_candidate, cursor_pos) < 0 && buffer_pos_cmp(res->start, cursor_pos) >= 0))
 				best_scroll_candidate = res->start;
 		}
@@ -481,7 +481,7 @@ void find_menu_frame(Ted *ted, Rect menu_bounds) {
 
 void find_open(Ted *ted, bool replace) {
 	if (menu_is_any_open(ted)) return;
-	if (ted->active_buffer == ted->build_buffer) return; 
+	if (ted->active_buffer == ted->build_buffer) return;
 	if (!ted->find)
 		ted->prev_active_buffer = ted->active_buffer;
 	ted_switch_to_buffer(ted, ted->find_buffer);
@@ -580,7 +580,7 @@ static void find_edit_notify(void *context, TextBuffer *buffer, const EditInfo *
 		}
 	} else if (buffer == ted->find_buffer) {
 		find_redo_search(ted);
-		buffer_scroll_to_cursor(buffer);	
+		buffer_scroll_to_cursor(buffer);
 	}
 }
 
diff --git a/ide-autocomplete.c b/ide-autocomplete.c
index b469051..73f0031 100644
--- a/ide-autocomplete.c
+++ b/ide-autocomplete.c
@@ -17,7 +17,7 @@ struct Autocompletion {
 	/// this can be NULL!
 	char *documentation;
 	bool deprecated;
-	SymbolKind kind; 
+	SymbolKind kind;
 };
 
 struct Autocomplete {
@@ -41,7 +41,7 @@ struct Autocomplete {
 	/// dynamic array of completions to be suggested (indices into completions)
 	u32 *suggested;
 	/// position of cursor last time completions were generated. if this changes, we need to recompute completions.
-	BufferPos last_pos; 
+	BufferPos last_pos;
 	/// which completion is currently selected (index into suggested)
 	i32 cursor;
 	i32 scroll;
@@ -453,7 +453,7 @@ void autocomplete_process_lsp_response(Ted *ted, const LSPResponse *response) {
 		// if autocomplete was invoked by Ctrl+Space, and there's only one completion, select it.
 		if (ac->trigger == TRIGGER_INVOKED)
 			autocomplete_complete(ted, ac->completions[ac->suggested[0]]);
-		return;	
+		return;
 	}
 }
 
@@ -483,7 +483,7 @@ void autocomplete_open(Ted *ted, uint32_t trigger) {
 			regenerated = true;
 			tags_generate(ted, false);
 			goto find_completions;
-		} else { 
+		} else {
 			autocomplete_no_suggestions(ted);
 		}
 		return;
diff --git a/ide-definitions.c b/ide-definitions.c
index 8b895db..f416aba 100644
--- a/ide-definitions.c
+++ b/ide-definitions.c
@@ -193,7 +193,7 @@ void definitions_process_lsp_response(Ted *ted, LSP *lsp, const LSPResponse *res
 		}
 		LSPLocation location = response_def->locations[0];
 		const char *path = lsp_document_path(lsp, location.document);
-		if (!ted_open_file(ted, path)) {	
+		if (!ted_open_file(ted, path)) {
 			ted_flash_error_cursor(ted);
 			return;
 		}
diff --git a/ide-hover.c b/ide-hover.c
index e77ffa5..b401c0c 100644
--- a/ide-hover.c
+++ b/ide-hover.c
@@ -64,7 +64,7 @@ static void hover_send_request(Ted *ted) {
 	if (get_hover_position(ted, &h->position, NULL, &lsp)) {
 		hover->requested_position = h->position;
 		hover->last_request = lsp_send_request(lsp, &request);
-	}	
+	}
 }
 
 void hover_process_lsp_response(Ted *ted, const LSPResponse *response) {
diff --git a/ide-usages.c b/ide-usages.c
index b94eb45..35bba24 100644
--- a/ide-usages.c
+++ b/ide-usages.c
@@ -51,7 +51,7 @@ void usages_process_lsp_response(Ted *ted, const LSPResponse *response) {
 	}
 	LSP *lsp = ted_get_lsp_by_id(ted, usages->last_request.lsp);
 	const LSPResponseReferences *refs = &response->data.references;
-	if (lsp && arr_len(refs->locations)) { 
+	if (lsp && arr_len(refs->locations)) {
 		TextBuffer *buffer = ted->build_buffer;
 		build_setup_buffer(ted);
 		ted->build_shown = true;
diff --git a/lib/glcorearb.h b/lib/glcorearb.h
index 872d5a6..fe532c1 100644
--- a/lib/glcorearb.h
+++ b/lib/glcorearb.h
@@ -56,7 +56,7 @@ extern "C" {
 ** included as <GL/glcorearb.h>.
 **
 ** glcorearb.h includes only APIs in the latest OpenGL core profile
-** implementation together with APIs in newer ARB extensions which 
+** implementation together with APIs in newer ARB extensions which
 ** can be supported by the core profile. It does not, and never will
 ** include functionality removed from the core profile, such as
 ** fixed-function vertex and fragment processing.
diff --git a/lsp-parse.c b/lsp-parse.c
index 5a38453..63d5605 100644
--- a/lsp-parse.c
+++ b/lsp-parse.c
@@ -335,7 +335,7 @@ static bool parse_completion_response(LSP *lsp, const JSON *json, LSPResponse *r
 		break;
 	default:
 		lsp_set_error(lsp, "Weird result type for textDocument/completion response: %s.", json_type_to_str(result.type));
-		break;		
+		break;
 	}
 		
 	if (!lsp_expect_array(lsp, items_value, "completion list"))
diff --git a/lsp-write.c b/lsp-write.c
index 506369e..c1c846a 100644
--- a/lsp-write.c
+++ b/lsp-write.c
@@ -322,7 +322,7 @@ static JSONWriter message_writer_new(LSP *lsp, StrBuilder *builder) {
 	writer.length_idx = str_builder_len(builder);
 	str_builder_append(builder, "XXXXXXXXXX\r\n\r\n");
 	writer.content_start_idx = str_builder_len(builder);
-	return writer;	
+	return writer;
 }
 
 static void message_writer_finish(JSONWriter *o) {
diff --git a/lsp.c b/lsp.c
index b1fe8e0..2004bb7 100644
--- a/lsp.c
+++ b/lsp.c
@@ -627,7 +627,7 @@ static int lsp_communication_thread(void *data) {
 		if (!lsp_receive(lsp, (size_t)10<<20))
 			break;
 		if (SDL_SemWaitTimeout(lsp->quit_sem, send_delay_ms) == 0)
-			break;	
+			break;
 	}
 	
 	lsp->exited = true;
@@ -715,7 +715,7 @@ LSP *lsp_create(const LSPSetup *setup) {
 	lsp->command = str_dup(command);
 	if (configuration && *configuration)
 		lsp->configuration_to_send = str_dup(configuration);
-	lsp->quit_sem = SDL_CreateSemaphore(0);	
+	lsp->quit_sem = SDL_CreateSemaphore(0);
 	lsp->error_mutex = SDL_CreateMutex();
 	lsp->messages_mutex = SDL_CreateMutex();
 	
diff --git a/lsp.h b/lsp.h
index 66f24de..c267283 100644
--- a/lsp.h
+++ b/lsp.h
@@ -273,7 +273,7 @@ typedef struct {
 	LSPRequestType type;
 	LSPString id_string; // if non-empty, this is the ID (only for server-to-client messages; we always use integer IDs)
 	// one member of this union is set depending on `type`.
-	union {	
+	union {
 		LSPRequestCancel cancel;
 		LSPRequestDidOpen open;
 		LSPRequestDidClose close;
@@ -365,7 +365,7 @@ typedef enum {
 } LSPCompletionKind;
 
 // interface TextEdit in the LSP spec
-typedef struct {	
+typedef struct {
 	LSPRange range;
 	LSPString new_text;
 } LSPTextEdit;
diff --git a/main.c b/main.c
index 059c5ae..cbc4158 100644
--- a/main.c
+++ b/main.c
@@ -124,7 +124,7 @@ static Rect message_box_rect(Ted *ted) {
 }
 
 #if DEBUG
-static void APIENTRY gl_message_callback(GLenum source, GLenum type, unsigned int id, GLenum severity, 
+static void APIENTRY gl_message_callback(GLenum source, GLenum type, unsigned int id, GLenum severity,
 	GLsizei length, const char *message, const void *userParam) {
 	(void)source; (void)type; (void)id; (void)length; (void)userParam;
 	if (severity == GL_DEBUG_SEVERITY_NOTIFICATION) return;
@@ -227,7 +227,7 @@ static LONG WINAPI error_signal_handler(EXCEPTION_POINTERS *info) {
 				fprintf(log, "Instruction: 0x%llx\n", (unsigned long long)context->Rip);
 			} else {
 				fprintf(log, "Backtrace:\n");
-				HANDLE process = GetCurrentProcess(), thread = GetCurrentThread(); 
+				HANDLE process = GetCurrentProcess(), thread = GetCurrentThread();
 				// backtrace
 				// this here was very helpful: https://gist.github.com/jvranish/4441299
 				if (SymInitialize(process, NULL, true)) {
@@ -693,7 +693,7 @@ int main(int argc, char **argv) {
 		double frame_start = ted->frame_time;
 
 		SDL_PumpEvents();
-		u32 key_modifier = ted_get_key_modifier(ted);		
+		u32 key_modifier = ted_get_key_modifier(ted);
 		{ // get mouse position
 			int mouse_x = 0, mouse_y = 0;
 			ted->mouse_state = SDL_GetMouseState(&mouse_x, &mouse_y);
@@ -839,7 +839,7 @@ int main(int argc, char **argv) {
 				const char *text = event.text.text;
 				if (buffer
 					// unfortunately, some key combinations like ctrl+minus still register as a "-" text input event
-					&& (key_modifier & ~KEY_MODIFIER_SHIFT) == 0) { 
+					&& (key_modifier & ~KEY_MODIFIER_SHIFT) == 0) {
 					// insert the text
 					command_execute_string_argument(ted, CMD_INSERT_TEXT, text);
 					// check for trigger character
@@ -869,7 +869,7 @@ int main(int argc, char **argv) {
 							}
 						}
 					}
-					 
+					
 				}
 			} break;
 			}
diff --git a/make.bat b/make.bat
index b25efed..c65f871 100644
--- a/make.bat
+++ b/make.bat
@@ -1,5 +1,5 @@
 @echo off
-if _%VCVARS% == _ ( 
+if _%VCVARS% == _ (
 	set VCVARS=1
 	call vcvarsall x64
 )
@@ -12,7 +12,7 @@ if not exist pcre2-8-static.lib (
 	copy /y pcre2\Release\pcre2-8-static.lib
 )
 SET C_FLAGS=/nologo /W4 /MD /wd4200 /wd4204 /wd4221 /wd4706 /wd4214 /D_CRT_SECURE_NO_WARNINGS /I SDL2/include /I pcre2 User32.lib SDL2/lib/x64/SDL2main.lib SDL2/lib/x64/SDL2.lib pcre2-8-static.lib pcre2-32-static.lib
-rc /nologo ted.rc 
+rc /nologo ted.rc
 if _%1 == _ (
 	if not exist debug mkdir debug
 	pushd debug
diff --git a/menu.c b/menu.c
index 8273657..d834639 100644
--- a/menu.c
+++ b/menu.c
@@ -274,7 +274,7 @@ static void warn_unsaved_menu_update(Ted *ted) {
 		case CMD_TAB_CLOSE: {
 			menu_close(ted);
 			TextBuffer *buffer = ted->active_buffer;
-			command_execute(ted, CMD_SAVE, 1); 
+			command_execute(ted, CMD_SAVE, 1);
 			if (!buffer_unsaved_changes(buffer)) {
 				command_execute(ted, CMD_TAB_CLOSE, 1);
 			}
@@ -426,7 +426,7 @@ static void goto_line_menu_update(Ted *ted) {
 	TextBuffer *buffer = ted->prev_active_buffer;
 	if (*contents != '\0' && *end == '\0') {
 		if (line_number < 1) line_number = 1;
-		if (line_number > (long)buffer_line_count(buffer)) line_number = (long)buffer_line_count(buffer); 
+		if (line_number > (long)buffer_line_count(buffer)) line_number = (long)buffer_line_count(buffer);
 		BufferPos pos = {(u32)line_number - 1, 0};
 		
 		if (line_buffer_is_submitted(line_buffer)) {
diff --git a/node.c b/node.c
index 12ff261..4ce5d05 100644
--- a/node.c
+++ b/node.c
@@ -397,7 +397,7 @@ void node_frame(Ted *ted, Node *node, Rect r) {
 
 				if (node == ted->dragging_tab_node && i == ted->dragging_tab_idx) {
 					// make tab follow mouse
-					tab_rect.pos = vec2_add(tab_rect.pos, 
+					tab_rect.pos = vec2_add(tab_rect.pos,
 						vec2_sub(ted_mouse_pos(ted), ted->dragging_tab_origin));
 				}
 				
@@ -502,7 +502,7 @@ void node_frame(Ted *ted, Node *node, Rect r) {
 		if (ted_mouse_in_rect(ted, r_between)) {
 			ted->cursor = resize_cursor;
 		}
-		if (ted_clicked_in_rect(ted, r_between)) 
+		if (ted_clicked_in_rect(ted, r_between))
 			ted->resizing_split = node;
 		
 		node_frame(ted, a, r1);
diff --git a/os-posix.c b/os-posix.c
index fa14584..b9050d7 100644
--- a/os-posix.c
+++ b/os-posix.c
@@ -20,7 +20,7 @@ static FsType statbuf_path_type(const struct stat *statbuf) {
 		return FS_FILE;
 	if (S_ISDIR(statbuf->st_mode))
 		return FS_DIRECTORY;
-	return FS_OTHER;	
+	return FS_OTHER;
 }
 
 FsType fs_path_type(const char *path) {
@@ -84,7 +84,7 @@ FsDirectoryEntry **fs_list_directory(const char *dirname) {
 					default:
 						entry->type = FS_OTHER;
 					}
-					if (idx < nentries) // this could actually fail if someone creates files between calculating nentries and here. 
+					if (idx < nentries) // this could actually fail if someone creates files between calculating nentries and here.
 						entries[idx++] = entry;
 				}
 			}
@@ -96,16 +96,16 @@ FsDirectoryEntry **fs_list_directory(const char *dirname) {
 
 int fs_mkdir(const char *path) {
 	if (mkdir(path, 0755) == 0) {
-		// directory created successfully 
+		// directory created successfully
 		return 1;
 	} else if (errno == EEXIST) {
 		struct stat statbuf = {0};
 		if (stat(path, &statbuf) == 0) {
 			if (S_ISDIR(statbuf.st_mode)) {
-				// already exists, and it's a directory 
+				// already exists, and it's a directory
 				return 0;
 			} else {
-				// already exists, but not a directory 
+				// already exists, but not a directory
 				return -1;
 			}
 		} else {
@@ -177,7 +177,7 @@ Process *process_run_ex(const char *command, const ProcessSettings *settings) {
 	int stdin_pipe[2] = {0}, stdout_pipe[2] = {0}, stderr_pipe[2] = {0};
 	if (pipe(stdin_pipe) != 0) {
 		strbuf_printf(proc->error, "%s", strerror(errno));
-		return proc; 
+		return proc;
 	}
 	if (pipe(stdout_pipe) != 0) {
 		strbuf_printf(proc->error, "%s", strerror(errno));
@@ -234,7 +234,7 @@ Process *process_run_ex(const char *command, const ProcessSettings *settings) {
 		// so we don't need the write end of the stdout pipe or the
 		// read end of the stdin pipe.
 		close(stdout_pipe[1]);
-		if (stderr_pipe[1])	
+		if (stderr_pipe[1])
 			close(stderr_pipe[1]);
 		close(stdin_pipe[0]);
 		// set pipes to non-blocking
diff --git a/pre-commit.sh b/pre-commit.sh
new file mode 100755
index 0000000..3553140
--- /dev/null
+++ b/pre-commit.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Pre-commit hook for ted development
+# To install:
+#   ln -s ../../pre-commit.sh .git/hooks/pre-commit
+
+# Check for trailing whitespace
+git grep -In ' $' && { echo 'Fix trailing whitespace!'; exit 1; }
+git grep -In '\w'"$(printf '\t')"'$' && { echo 'Fix trailing whitespace!'; exit 1; }
+exit 0
diff --git a/syntax.c b/syntax.c
index e0614c3..1803730 100644
--- a/syntax.c
+++ b/syntax.c
@@ -296,7 +296,7 @@ static bool syntax_number_continues(Language lang, const char32_t *line, u32 lin
 		break;
 	}
 	
-	return (line[i] < CHAR_MAX && 
+	return (line[i] < CHAR_MAX &&
 		(strchr(digits, (char)line[i])
 		|| (i && line[i-1] == 'e' && (line[i] == '+' || line[i] == '-'))));
 }
@@ -339,7 +339,7 @@ static u32 syntax_keyword_len(Language lang, const char32_t *line, u32 i, u32 li
 		}
 	}
 	return keyword_end - i;
-}	
+}
 
 // highlighting for C, C++, and GLSL
 static void syntax_highlight_c_cpp(SyntaxState *state_ptr, const char32_t *line, u32 line_len, SyntaxCharType *char_types, Language lang) {
@@ -740,7 +740,7 @@ static void syntax_highlight_rust(SyntaxState *state, const char32_t *line, u32
 		
 	}
 	
-	u32 max_comment_depth = ((u32)1<<SYNTAX_STATE_RUST_COMMENT_DEPTH_BITS);	
+	u32 max_comment_depth = ((u32)1<<SYNTAX_STATE_RUST_COMMENT_DEPTH_BITS);
 	if (comment_depth >= max_comment_depth)
 		comment_depth = max_comment_depth;
 	*state = (SyntaxState)(
@@ -777,7 +777,7 @@ static void syntax_highlight_python(SyntaxState *state, const char32_t *line, u3
 			break;
 		// format/raw/byte/unicode/template string
 		case 'f': case 'r': case 'b': case 'u': case 't':
-		case 'F': case 'R': case 'B': case 'U': case 'T': 
+		case 'F': case 'R': case 'B': case 'U': case 'T':
 			if (!in_string && !interpolating) {
 				bool is_string = true;
 				u32 j;
@@ -1541,7 +1541,7 @@ static void syntax_highlight_javascript_like(
 						for (; i < line_len; ++i) {
 							if (line[i] >= 128 || !strchr("dgimsuy", (char)line[i]))
 								break;
-							char_types[i] = SYNTAX_STRING;	
+							char_types[i] = SYNTAX_STRING;
 						}
 						--i; // back to last char in flags
 					}
@@ -2030,7 +2030,7 @@ static void syntax_highlight_css(SyntaxState *state_ptr, const char32_t *line, u
 		case '.':
 		case '#':
 			if (!in_braces && char_types) {
-				char_types[i++] = SYNTAX_KEYWORD;		
+				char_types[i++] = SYNTAX_KEYWORD;
 				for (; i < line_len; ++i) {
 					if (is32_alnum(line[i]) || line[i] == '-' || line[i] == '_') {
 						char_types[i] = SYNTAX_KEYWORD;
@@ -2043,28 +2043,28 @@ static void syntax_highlight_css(SyntaxState *state_ptr, const char32_t *line, u
 				while (i < line_len && line[i] == ':') {
 					// handle pseudo-classes and pseudo-elements
 					static const char *const pseudo[] = {
-						":active", ":any-link", ":autofill", ":blank", ":checked", 
-						":current", ":default", ":defined", ":dir", ":disabled", 
-						":empty", ":enabled", ":first", ":first-child", 
-						":first-of-type", ":fullscreen", ":future", ":focus", 
-						":focus-visible", ":focus-within", ":has", ":host", 
-						":host-context", ":hover", ":indeterminate", ":in-range", 
-						":invalid", ":is", ":lang", ":last-child", ":last-of-type", 
-						":left", ":link", ":local-link", ":modal", ":not", 
-						":nth-child", ":nth-col", ":nth-last-child", 
-						":nth-last-col", ":nth-last-of-type", ":nth-of-type", 
-						":only-child", ":only-of-type", ":optional", 
-						":out-of-range", ":past", ":picture-in-picture", 
-						":placeholder-shown", ":paused", ":playing", ":read-only", 
-						":read-write", ":required", ":right", ":root", ":scope", 
-						":state", ":target", ":target-within", ":user-invalid", 
-						":valid", ":visited", ":where", "::after", "::before", 
+						":active", ":any-link", ":autofill", ":blank", ":checked",
+						":current", ":default", ":defined", ":dir", ":disabled",
+						":empty", ":enabled", ":first", ":first-child",
+						":first-of-type", ":fullscreen", ":future", ":focus",
+						":focus-visible", ":focus-within", ":has", ":host",
+						":host-context", ":hover", ":indeterminate", ":in-range",
+						":invalid", ":is", ":lang", ":last-child", ":last-of-type",
+						":left", ":link", ":local-link", ":modal", ":not",
+						":nth-child", ":nth-col", ":nth-last-child",
+						":nth-last-col", ":nth-last-of-type", ":nth-of-type",
+						":only-child", ":only-of-type", ":optional",
+						":out-of-range", ":past", ":picture-in-picture",
+						":placeholder-shown", ":paused", ":playing", ":read-only",
+						":read-write", ":required", ":right", ":root", ":scope",
+						":state", ":target", ":target-within", ":user-invalid",
+						":valid", ":visited", ":where", "::after", "::before",
 						":after", ":before",
-						"::backdrop", "::cue", "::cue-region", "::first-letter", 
-						"::first-line", "::file-selector-button", 
-						"::grammar-error", "::marker", "::part", "::placeholder", 
-						"::selection", "::slotted", "::spelling-error", 
-						"::target-text", 
+						"::backdrop", "::cue", "::cue-region", "::first-letter",
+						"::first-line", "::file-selector-button",
+						"::grammar-error", "::marker", "::part", "::placeholder",
+						"::selection", "::slotted", "::spelling-error",
+						"::target-text",
 					};
 					String32 s32 = {
 						.len = line_len - i,
@@ -2139,7 +2139,7 @@ static void syntax_highlight_css(SyntaxState *state_ptr, const char32_t *line, u
 					dealt_with = true;
 					if (!in_braces && char_types) {
 						goto handle_pseudo;
-					} else {					
+					} else {				
 						--i; // we'll increment i from the for loop
 					}
 					break;
diff --git a/tags.c b/tags.c
index 68a3f2c..b38a821 100644
--- a/tags.c
+++ b/tags.c
@@ -34,7 +34,7 @@ static bool is_source_file(const char *filename) {
 		if (streq(dot + 1, extensions[i])) {
 			return true;
 		}
-	}	
+	}
 	return false;
 }
 
@@ -49,7 +49,7 @@ static void tags_generate_at_dir(Ted *ted, bool run_in_build_window, const char
 		char command[2048]; // 2048 is the limit on Windows XP, apparently
 		
 	#if __unix__
-		// ctags.emacs's sorting depends on the locale 
+		// ctags.emacs's sorting depends on the locale
 		// (ctags-universal doesn't)
 		const char *cmd_prefix = "LC_ALL=C ctags --append";
 	#else
@@ -385,7 +385,7 @@ SymbolInfo *tags_get_symbols(Ted *ted) {
 	if (file) {
 		char line[1024];
 		while (fgets(line, sizeof line, file)) {
-			if (line[0] != '!') { // tag metadata is formatted as tag names beginning with !	
+			if (line[0] != '!') { // tag metadata is formatted as tag names beginning with !
 				size_t len = strcspn(line, "\t");
 				SymbolInfo *info = arr_addp(infos);
 				info->name = strn_dup(line, len);
diff --git a/ted-internal.h b/ted-internal.h
index a18228a..ccbbb9c 100644
--- a/ted-internal.h
+++ b/ted-internal.h
@@ -85,7 +85,7 @@ typedef struct {
 /// All of ted's settings
 ///
 /// NOTE: to add more options to ted, add fields here,
-/// and change the settings_<type> global constant near the top of config.c	
+/// and change the settings_<type> global constant near the top of config.c
 struct Settings {
 	u32 colors[COLOR_COUNT];
 	float cursor_blink_time_on, cursor_blink_time_off;
@@ -298,7 +298,7 @@ struct Ted {
 	TextBuffer *drag_buffer;
 	/// while a menu or something is open, there is no active buffer. when the menu is closed,
 	/// the old active buffer needs to be restored. that's what this stores.
-	TextBuffer *prev_active_buffer; 
+	TextBuffer *prev_active_buffer;
 	Node *active_node;
 	Config *all_configs;
 	/// cwd where \ref default_settings was computed
@@ -312,7 +312,7 @@ struct Ted {
 	MouseClick *mouse_clicks[4];
 	MouseRelease *mouse_releases[4];
 	/// total amount scrolled this frame
-	int scroll_total_x, scroll_total_y; 
+	int scroll_total_x, scroll_total_y;
 	MenuInfo *all_menus;
 	/// index of currently open menu, or 0 if no menu is open
 	u32 menu_open_idx;
diff --git a/ted.c b/ted.c
index 3487527..b5403c6 100644
--- a/ted.c
+++ b/ted.c
@@ -434,7 +434,7 @@ static Font *ted_load_single_font(Ted *ted, const char *filename) {
 	arr_foreach_ptr(ted->all_fonts, LoadedFont, f) {
 		if (paths_eq(path, f->path))
 			return f->font;
-	} 
+	}
 	
 	Font *font = text_font_load(path, ted_active_settings(ted)->text_size);
 	if (!font) {
diff --git a/ted.h b/ted.h
index f264678..26720c9 100644
--- a/ted.h
+++ b/ted.h
@@ -5,7 +5,7 @@
 
 
 /// \mainpage ted doxygen documentation
-/// 
+///
 /// See "files" above. You probably want to look at \ref ted.h.
 
 #ifndef TED_H_
diff --git a/test/test.java b/test/test.java
index 7183aed..418c318 100644
--- a/test/test.java
+++ b/test/test.java
@@ -6,7 +6,7 @@ class Test {
 		is
 		a test*/
 		String x = "hello, world!\"";
-		System.out.println(x + 
+		System.out.println(x +
 			"yes\n\\"+
 			x);
 	}
diff --git a/text.c b/text.c
index 825d2ce..a240136 100644
--- a/text.c
+++ b/text.c
@@ -1,5 +1,5 @@
 #include "ted-internal.h"
- 
+
 no_warn_start
 #if DEBUG
 #include "lib/stb_rect_pack.h"
diff --git a/ui.c b/ui.c
index 2af72fa..ce83c35 100644
--- a/ui.c
+++ b/ui.c
@@ -546,7 +546,7 @@ char *file_selector_update(Ted *ted, FileSelector *fs) {
 
 			if (file_selector_cd(ted, fs, dir_name)) {
 				buffer_delete_chars_at_pos(line_buffer, buffer_pos_start_of_file(line_buffer), last_path_sep + 1); // delete up to and including the last path separator
-				buffer_clear_undo_redo(line_buffer);			
+				buffer_clear_undo_redo(line_buffer);
 			} else {
 				// delete up to first path separator in line buffer
 				BufferPos pos = {.line = 0, .index = first_path_sep};
@@ -676,7 +676,7 @@ vec2 button_get_size(Ted *ted, const char *text) {
 	return vec2_add_const(text_get_size_vec2(ted->font, text), 2 * border_thickness);
 }
 
-void button_render(Ted *ted, Rect button, const char *text, u32 color) {	
+void button_render(Ted *ted, Rect button, const char *text, u32 color) {
 	if (ted_mouse_in_rect(ted, button)) {
 		// highlight button when hovering over it
 		u32 new_color = (color & 0xffffff00) | ((color & 0xff) / 3);
@@ -715,7 +715,7 @@ static void popup_get_rects(Ted const *ted, u32 options, Rect *popup, Rect *butt
 	if (options & POPUP_CANCEL) {
 		*button_cancel = r;
 		r.pos.x += button_width;
-	}	
+	}
 }
 
 PopupOption popup_update(Ted *ted, u32 options) {