vim-patch:8.2.0156: various typos in source files and tests

Problem:    Various typos in source files and tests.
Solution:   Fix the typos. (Emir Sari, closes vim/vim#5532)
4b96df5a01

src/nvim/buffer.c

@@ -1441,7 +1441,7 @@ void set_curbuf(buf_T *buf, int action)
   set_bufref(&prevbufref, prevbuf);
   set_bufref(&newbufref, buf);
 
-  // Autocommands may delete the curren buffer and/or the buffer we want to go
+  // Autocommands may delete the current buffer and/or the buffer we want to go
   // to.  In those cases don't close the buffer.
   if (!apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, false, curbuf)
       || (bufref_valid(&prevbufref) && bufref_valid(&newbufref)
@@ -1454,6 +1454,7 @@ void set_curbuf(buf_T *buf, int action)
     }
     if (bufref_valid(&prevbufref) && !aborting()) {
       win_T *previouswin = curwin;
+
       // Do not sync when in Insert mode and the buffer is open in
       // another window, might be a timer doing something in another
       // window.

src/nvim/charset.c

@@ -1439,7 +1439,7 @@ bool vim_isblankline(char_u *lbuf)
 /// @param unptr Returns the unsigned result.
 /// @param maxlen Max length of string to check.
 /// @param strict If true, fail if the number has unexpected trailing
-///               alpha-numeric chars: *len is set to 0 and nothing else is
+///               alphanumeric chars: *len is set to 0 and nothing else is
 ///               returned.
 void vim_str2nr(const char_u *const start, int *const prep, int *const len, const int what,
                 varnumber_T *const nptr, uvarnumber_T *const unptr, const int maxlen,
@@ -1585,7 +1585,7 @@ vim_str2nr_hex:
 #undef PARSE_NUMBER
 
 vim_str2nr_proceed:
-  // Check for an alpha-numeric character immediately following, that is
+  // Check for an alphanumeric character immediately following, that is
   // most likely a typo.
   if (strict && ptr - (const char *)start != maxlen && ASCII_ISALNUM(*ptr)) {
     return;

src/nvim/ex_docmd.c

@@ -7485,7 +7485,7 @@ static void ex_edit(exarg_T *eap)
   do_exedit(eap, NULL);
 }
 
-/// ":edit <file>" command and alikes.
+/// ":edit <file>" command and alike.
 ///
 /// @param old_curwin  curwin before doing a split or NULL
 void do_exedit(exarg_T *eap, win_T *old_curwin)

src/nvim/getchar.c

@@ -2466,7 +2466,7 @@ static int vgetorpeek(bool advance)
 ///      1. a scriptfile
 ///      2. the keyboard
 ///
-///  As much characters as we can get (up to 'maxlen') are put in "buf" and
+///  As many characters as we can get (up to 'maxlen') are put in "buf" and
 ///  NUL terminated (buffer length must be 'maxlen' + 1).
 ///  Minimum for "maxlen" is 3!!!!
 ///

src/nvim/option.c

@@ -4277,7 +4277,7 @@ static char *set_num_option(int opt_idx, char_u *varp, long value, char *errbuf,
   }
 
   // Save the global value before changing anything. This is needed as for
-  // a global-only option setting the "local value" infact sets the global
+  // a global-only option setting the "local value" in fact sets the global
   // value (since there is only one value).
   if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0) {
     old_global_value = *(long *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL);

src/nvim/testdir/test_breakindent.vim

@@ -1,7 +1,7 @@
 " Test for breakindent
 "
 " Note: if you get strange failures when adding new tests, it might be that
-" while the test is run, the breakindent cacheing gets in its way.
+" while the test is run, the breakindent caching gets in its way.
 " It helps to change the tabstop setting and force a redraw (e.g. see
 " Test_breakindent08())
 if !exists('+breakindent')

src/nvim/testdir/test_cindent.vim

@@ -815,7 +815,7 @@ func Test_cindent_1()
         }
      }
 
-  public: // <-- this was incorectly indented before!!
+  public: // <-- this was incorrectly indented before!!
      void testfall();
   protected:
      void testfall();
@@ -1792,7 +1792,7 @@ func Test_cindent_1()
   		}
   	}
 
-  	public: // <-- this was incorectly indented before!!
+  	public: // <-- this was incorrectly indented before!!
   	void testfall();
   	protected:
   	void testfall();
@@ -5302,9 +5302,12 @@ endfunc
 " this was going beyond the end of the line.
 func Test_cindent_case()
   new
-  call setline(1, "case x: // x")
+  call setline(1, 'case x: // x')
   set cindent
   norm! f:a:
+  call assert_equal('case x:: // x', getline(1))
+
+  set cindent&
   bwipe!
 endfunc
 

src/nvim/testdir/test_digraph.vim

@@ -81,7 +81,7 @@ func Test_digraphs()
   call Put_Dig(".e")
   call Put_Dig("a.") " not defined
   call assert_equal(['ḃ', 'ė', '.'], getline(line('.')-2,line('.')))
-  " Diaresis
+  " Diaeresis
   call Put_Dig("a:")
   call Put_Dig(":u")
   call Put_Dig("b:") " not defined
@@ -288,7 +288,7 @@ func Test_digraphs_option()
   call Put_Dig_BS(".","e")
   call Put_Dig_BS("a",".") " not defined
   call assert_equal(['ḃ', 'ė', '.'], getline(line('.')-2,line('.')))
-  " Diaresis
+  " Diaeresis
   call Put_Dig_BS("a",":")
   call Put_Dig_BS(":","u")
   call Put_Dig_BS("b",":") " not defined

src/nvim/testdir/test_edit.vim

@@ -590,7 +590,7 @@ func Test_edit_CTRL_K()
   call feedkeys("A\<c-x>\<c-k>\<down>\<down>\<down>\<down>\<cr>\<esc>", 'tnix')
   call assert_equal(['AA'], getline(1, '$'))
 
-  " press an unexecpted key after dictionary completion
+  " press an unexpected key after dictionary completion
   %d
   call setline(1, 'A')
   call cursor(1, 1)

src/nvim/testdir/test_quickfix.vim

@@ -2739,7 +2739,7 @@ func Test_cwindow_jump()
   call assert_true(winnr('$') == 2)
   call assert_true(winnr() == 1)
 
-  " Jumping to a file from the location list window should find a usuable
+  " Jumping to a file from the location list window should find a usable
   " window by wrapping around the window list.
   enew | only
   call setloclist(0, [], 'f')

src/nvim/testdir/test_registers.vim

@@ -219,7 +219,7 @@ func Test_set_register()
   call setreg('=', 'b', 'a')
   call assert_equal('regwrite', getreg('='))
 
-  " Test for settting a list of lines to special registers
+  " Test for setting a list of lines to special registers
   call setreg('/', [])
   call assert_equal('', @/)
   call setreg('=', [])

src/nvim/testdir/test_stat.vim

@@ -7,7 +7,7 @@ func CheckFileTime(doSleep)
   let times = []
   let result = 0
 
-  " Use three files istead of localtim(), with a network filesystem the file
+  " Use three files instead of localtim(), with a network filesystem the file
   " times may differ at bit
   let fl = ['Hello World!']
   for fname in fnames