Fix multiple typos (#13063)

* Fix multiple typos in `src/nvim/api/ui_events.in.h`
* Below spellings are corrected:
  * Definitions
  * Revision
  * Performance

* Typo fix `presense` should be presence

* Typo fix, follwed -> followed

* Typo fix, attemping -> attempting

* Typo fix, duplicate 'the'

* Typo fix, bounaries -> boundaries

* Revert "Typo fix, bounaries -> boundaries"

This reverts commit 24779e55e596f7534585938a7e532830ad2fa83c.

* Revert "Typo fix, duplicate 'the'"

This reverts commit 1d41d74f78736e67821a15edc9c174a2c3024f87.

* Revert "Typo fix, attemping -> attempting"

This reverts commit d8b2860dfcac366af7afae1f09946ed0aee4a34e.

3 files changed, 7 insertions, 7 deletions

diff --git a/src/clint.py b/src/clint.py
index 8dc41fdb93..9b4128a0c9 100755
--- a/src/clint.py
+++ b/src/clint.py
@@ -350,7 +350,7 @@ def IsErrorInSuppressedErrorsList(category, linenum):
       category: str, the category of the error.
       linenum: int, the current line number.
     Returns:
-      bool, True iff the error should be suppressed due to presense in
+      bool, True iff the error should be suppressed due to presence in
             suppressions file.
     """
     return (category, linenum) in _error_suppressions_2
diff --git a/src/nvim/api/ui_events.in.h b/src/nvim/api/ui_events.in.h
index ef5e90bf5c..e934d5dc92 100644
--- a/src/nvim/api/ui_events.in.h
+++ b/src/nvim/api/ui_events.in.h
@@ -1,7 +1,7 @@
 #ifndef NVIM_API_UI_EVENTS_IN_H
 #define NVIM_API_UI_EVENTS_IN_H
 
-// This file is not compiled, just parsed for definitons
+// This file is not compiled, just parsed for definitions
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # error "don't include this file, include nvim/ui.h"
 #endif
@@ -44,7 +44,7 @@ void option_set(String name, Object value)
 void stop(void)
   FUNC_API_NOEXPORT;
 
-// First revison of the grid protocol, used by default
+// First revision of the grid protocol, used by default
 void update_fg(Integer fg)
   FUNC_API_SINCE(3) FUNC_API_REMOTE_ONLY;
 void update_bg(Integer bg)
@@ -68,7 +68,7 @@ void set_scroll_region(Integer top, Integer bot, Integer left, Integer right)
 void scroll(Integer count)
   FUNC_API_SINCE(3) FUNC_API_REMOTE_ONLY;
 
-// Second revison of the grid protocol, used with ext_linegrid ui option
+// Second revision of the grid protocol, used with ext_linegrid ui option
 void default_colors_set(Integer rgb_fg, Integer rgb_bg, Integer rgb_sp,
                         Integer cterm_fg, Integer cterm_bg)
   FUNC_API_SINCE(4) FUNC_API_REMOTE_IMPL;
@@ -91,7 +91,7 @@ void grid_scroll(Integer grid, Integer top, Integer bot,
 void grid_destroy(Integer grid)
   FUNC_API_SINCE(6) FUNC_API_REMOTE_ONLY;
 
-// For perfomance and simplicity, we use the dense screen representation
+// For performance and simplicity, we use the dense screen representation
 // in internal code, such as compositor and TUI. The remote_ui module will
 // translate this in to the public grid_line format.
 void raw_line(Integer grid, Integer row, Integer startcol,
diff --git a/test/symbolic/klee/nvim/charset.c b/test/symbolic/klee/nvim/charset.c
index 95853a6834..f9bc3fabc4 100644
--- a/test/symbolic/klee/nvim/charset.c
+++ b/test/symbolic/klee/nvim/charset.c
@@ -69,7 +69,7 @@ void vim_str2nr(const char_u *const start, int *const prep, int *const len,
              && !STRING_ENDED(ptr + 1)
              && ptr[0] == '0' && ptr[1] != '8' && ptr[1] != '9') {
     pre = ptr[1];
-    // Detect hexadecimal: 0x or 0X follwed by hex digit
+    // Detect hexadecimal: 0x or 0X followed by hex digit
     if ((what & STR2NR_HEX)
         && !STRING_ENDED(ptr + 2)
         && (pre == 'X' || pre == 'x')
@@ -77,7 +77,7 @@ void vim_str2nr(const char_u *const start, int *const prep, int *const len,
       ptr += 2;
       goto vim_str2nr_hex;
     }
-    // Detect binary: 0b or 0B follwed by 0 or 1
+    // Detect binary: 0b or 0B followed by 0 or 1
     if ((what & STR2NR_BIN)
         && !STRING_ENDED(ptr + 2)
         && (pre == 'B' || pre == 'b')