Fix spelling mistakes

src/commands.c

@@ -46,7 +46,7 @@
         }                                               \
     } while (0)
 
-/** If an error occured during parsing of the criteria, we want to exit instead
+/** If an error occurred during parsing of the criteria, we want to exit instead
  * of relying on fallback behavior. See #2091. */
 #define HANDLE_INVALID_MATCH                                   \
     do {                                                       \

src/randr.c

@@ -420,7 +420,7 @@ void init_ws_for_output(Output *output, Con *content) {
 
         /* In case the workspace we just moved was visible but there was no
          * other workspace to switch to, we need to initialize the source
-         * output aswell */
+         * output as well */
         if (visible && previous == NULL) {
             LOG("There is no workspace left on \"%s\", re-initializing\n",
                 workspace_out->name);

src/render.c

@@ -167,7 +167,7 @@ void render_con(Con *con, bool render_fullscreen) {
                 /* By rendering the stacked container again, we handle the case
              * that we have a non-leaf-container inside the stack. In that
              * case, the children of the non-leaf-container need to be raised
-             * aswell. */
+             * as well. */
                 render_con(child, false);
             }
 

src/sighandler.c

@@ -116,7 +116,7 @@ static int backtrace(void) {
 
     waitpid(pid_gdb, &status, 0);
 
-    /* see if the backtrace was succesful or not */
+    /* see if the backtrace was successful or not */
     if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
         DLOG("GDB did not run properly\n");
         return -1;
@@ -176,7 +176,7 @@ static int sig_draw_window(xcb_window_t win, int width, int height, int font_hei
 static int sig_handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
     uint16_t state = event->state;
 
-    /* Apparantly, after activating numlock once, the numlock modifier
+    /* Apparently, after activating numlock once, the numlock modifier
      * stays turned on (use xev(1) to verify). So, to resolve useful
      * keysyms, we remove the numlock flag from the event state */
     state &= ~xcb_numlock_mask;

src/tree.c

@@ -477,7 +477,7 @@ static void mark_unmapped(Con *con) {
     TAILQ_FOREACH(current, &(con->nodes_head), nodes)
     mark_unmapped(current);
     if (con->type == CT_WORKSPACE) {
-        /* We need to call mark_unmapped on floating nodes aswell since we can
+        /* We need to call mark_unmapped on floating nodes as well since we can
          * make containers floating. */
         TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
         mark_unmapped(current);