vim-patch:8.1.2379: using old C style comments

Problem:    Using old C style comments.
Solution:   Use // comments where appropriate.
217e1b8359

src/nvim/ex_cmds.c

@@ -1082,8 +1082,8 @@ void ex_copy(linenr_T line1, linenr_T line2, linenr_T n)
 
   curwin->w_cursor.lnum = n;
   while (line1 <= line2) {
-    /* need to use vim_strsave() because the line will be unlocked within
+    // need to use vim_strsave() because the line will be unlocked within
-     * ml_append() */
+    // ml_append()
     p = vim_strsave(ml_get(line1));
     ml_append(curwin->w_cursor.lnum, p, (colnr_T)0, false);
     xfree(p);
@@ -1206,9 +1206,9 @@ void do_bang(int addr_count, exarg_T *eap, bool forceit, bool do_in, bool do_out
   prevcmd = newcmd;
 
   if (bangredo) {  // put cmd in redo buffer for ! command
-    /* If % or # appears in the command, it must have been escaped.
+    // If % or # appears in the command, it must have been escaped.
-     * Reescape them, so that redoing them does not substitute them by the
+    // Reescape them, so that redoing them does not substitute them by the
-     * buffername. */
+    // buffername.
     char_u *cmd = vim_strsave_escaped(prevcmd, (char_u *)"%#");
 
     AppendToRedobuffLit(cmd, -1);
@@ -1237,8 +1237,8 @@ void do_bang(int addr_count, exarg_T *eap, bool forceit, bool do_in, bool do_out
 
     do_shell(newcmd, 0);
   } else {                            // :range!
-    /* Careful: This may recursively call do_bang() again! (because of
+    // Careful: This may recursively call do_bang() again! (because of
-     * autocommands) */
+    // autocommands)
     do_filter(line1, line2, eap, newcmd, do_in, do_out);
     apply_autocmds(EVENT_SHELLFILTERPOST, NULL, NULL, false, curbuf);
   }
@@ -1368,9 +1368,9 @@ static void do_filter(linenr_T line1, linenr_T line2, exarg_T *eap, char_u *cmd,
   did_check_timestamps = FALSE;
   need_check_timestamps = TRUE;
 
-  /* When interrupting the shell command, it may still have produced some
+  // When interrupting the shell command, it may still have produced some
-   * useful output.  Reset got_int here, so that readfile() won't cancel
+  // useful output.  Reset got_int here, so that readfile() won't cancel
-   * reading. */
+  // reading.
   os_breakcheck();
   got_int = FALSE;
 
@@ -1837,8 +1837,8 @@ int do_write(exarg_T *eap)
       alt_buf = buflist_findname(ffname);
     }
     if (alt_buf != NULL && alt_buf->b_ml.ml_mfp != NULL) {
-      /* Overwriting a file that is loaded in another buffer is not a
+      // Overwriting a file that is loaded in another buffer is not a
-       * good idea. */
+      // good idea.
       EMSG(_(e_bufloaded));
       goto theend;
     }
@@ -2143,8 +2143,8 @@ int not_writing(void)
  */
 static int check_readonly(int *forceit, buf_T *buf)
 {
-  /* Handle a file being readonly when the 'readonly' option is set or when
+  // Handle a file being readonly when the 'readonly' option is set or when
-   * the file exists and permissions are read-only. */
+  // the file exists and permissions are read-only.
   if (!*forceit && (buf->b_p_ro
                     || (os_path_exists(buf->b_ffname)
                         && !os_file_is_writable((char *)buf->b_ffname)))) {
@@ -2612,8 +2612,8 @@ int do_ecmd(int fnum, char_u *ffname, char_u *sfname, exarg_T *eap, linenr_T new
     set_buflisted(TRUE);
   }
 
-  /* If autocommands change buffers under our fingers, forget about
+  // If autocommands change buffers under our fingers, forget about
-   * editing the file. */
+  // editing the file.
   if (buf != curbuf) {
     goto theend;
   }
@@ -2677,9 +2677,9 @@ int do_ecmd(int fnum, char_u *ffname, char_u *sfname, exarg_T *eap, linenr_T new
     }
     xfree(new_name);
 
-    /* If autocommands change buffers under our fingers, forget about
+    // If autocommands change buffers under our fingers, forget about
-     * re-editing the file.  Should do the buf_clear_file(), but perhaps
+    // re-editing the file.  Should do the buf_clear_file(), but perhaps
-     * the autocommands changed the buffer... */
+    // the autocommands changed the buffer...
     if (buf != curbuf) {
       goto theend;
     }
@@ -2711,8 +2711,8 @@ int do_ecmd(int fnum, char_u *ffname, char_u *sfname, exarg_T *eap, linenr_T new
      */
     curwin_init();
 
-    /* It's possible that all lines in the buffer changed.  Need to update
+    // It's possible that all lines in the buffer changed.  Need to update
-     * automatic folding for all windows where it's used. */
+    // automatic folding for all windows where it's used.
     FOR_ALL_TAB_WINDOWS(tp, win) {
       if (win->w_buffer == curbuf) {
         foldUpdateAll(win);
@@ -2744,9 +2744,9 @@ int do_ecmd(int fnum, char_u *ffname, char_u *sfname, exarg_T *eap, linenr_T new
       }
       handle_swap_exists(&old_curbuf);
     } else {
-      /* Read the modelines, but only to set window-local options.  Any
+      // Read the modelines, but only to set window-local options.  Any
-       * buffer-local options have already been set and may have been
+      // buffer-local options have already been set and may have been
-       * changed by the user. */
+      // changed by the user.
       do_modelines(OPT_WINONLY);
 
       apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf,
@@ -2778,16 +2778,16 @@ int do_ecmd(int fnum, char_u *ffname, char_u *sfname, exarg_T *eap, linenr_T new
     maketitle();
   }
 
-  /* Tell the diff stuff that this buffer is new and/or needs updating.
+  // Tell the diff stuff that this buffer is new and/or needs updating.
-   * Also needed when re-editing the same buffer, because unloading will
+  // Also needed when re-editing the same buffer, because unloading will
-   * have removed it as a diff buffer. */
+  // have removed it as a diff buffer.
   if (curwin->w_p_diff) {
     diff_buf_add(curbuf);
     diff_invalidate(curbuf);
   }
 
-  /* If the window options were changed may need to set the spell language.
+  // If the window options were changed may need to set the spell language.
-   * Can only do this after the buffer has been properly setup. */
+  // Can only do this after the buffer has been properly setup.
   if (did_get_winopts && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) {
     (void)did_set_spelllang(curwin);
   }
@@ -3022,10 +3022,10 @@ void ex_append(exarg_T *eap)
     curbuf->b_p_ai = !curbuf->b_p_ai;
   }
 
-  /* "start" is set to eap->line2+1 unless that position is invalid (when
+  // "start" is set to eap->line2+1 unless that position is invalid (when
-   * eap->line2 pointed to the end of the buffer and nothing was appended)
+  // eap->line2 pointed to the end of the buffer and nothing was appended)
-   * "end" is set to lnum when something has been appended, otherwise
+  // "end" is set to lnum when something has been appended, otherwise
-   * it is the same than "start"  -- Acevedo */
+  // it is the same than "start"  -- Acevedo
   curbuf->b_op_start.lnum = (eap->line2 < curbuf->b_ml.ml_line_count) ?
                             eap->line2 + 1 : curbuf->b_ml.ml_line_count;
   if (eap->cmdidx != CMD_append) {
@@ -3555,8 +3555,8 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout, bool do_buf_event, handle
     pat = NULL;                 // search_regcomp() will use previous pattern
     sub = (char_u *)old_sub.sub;
 
-    /* Vi compatibility quirk: repeating with ":s" keeps the cursor in the
+    // Vi compatibility quirk: repeating with ":s" keeps the cursor in the
-     * last column after using "$". */
+    // last column after using "$".
     endcolumn = (curwin->w_curswant == MAXCOL);
   }
 
@@ -3807,8 +3807,8 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout, bool do_buf_event, handle
         if (subflags.do_ask && !preview) {
           int typed = 0;
 
-          /* change State to CONFIRM, so that the mouse works
+          // change State to CONFIRM, so that the mouse works
-           * properly */
+          // properly
           int save_State = State;
           State = CONFIRM;
           setmouse();                   // disable mouse in xterm
@@ -3864,9 +3864,9 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout, bool do_buf_event, handle
               const bool save_p_lz = p_lz;
               int save_p_fen = curwin->w_p_fen;
 
-              curwin->w_p_fen = FALSE;
+              curwin->w_p_fen = false;
-              /* Invert the matched string.
+              // Invert the matched string.
-               * Remove the inversion afterwards. */
+              // Remove the inversion afterwards.
               int temp = RedrawingDisabled;
               RedrawingDisabled = 0;
 
@@ -3874,11 +3874,11 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout, bool do_buf_event, handle
               p_lz = false;
 
               if (new_start != NULL) {
-                /* There already was a substitution, we would
+                // There already was a substitution, we would
-                 * like to show this to the user.  We cannot
+                // like to show this to the user.  We cannot
-                 * really update the line, it would change
+                // really update the line, it would change
-                 * what matches.  Temporarily replace the line
+                // what matches.  Temporarily replace the line
-                 * and change it back afterwards. */
+                // and change it back afterwards.
                 orig_line = vim_strsave(ml_get(lnum));
                 char_u *new_line = concat_str(new_start, sub_firstline + copycol);
 
@@ -3908,8 +3908,8 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout, bool do_buf_event, handle
               }
               msg_starthere();
               i = msg_scroll;
-              msg_scroll = 0;                           /* truncate msg when
+              msg_scroll = 0;                           // truncate msg when
-                                                           needed */
+                                                        // needed
               msg_no_more = true;
               msg_ext_set_kind("confirm_sub");
               smsg_attr(HL_ATTR(HLF_R),  // Same highlight as wait_return().
@@ -4878,8 +4878,8 @@ void ex_help(exarg_T *eap)
   if (!p_im) {
     restart_edit = 0;               // don't want insert mode in help file
   }
-  /* Restore KeyTyped, setting 'filetype=help' may reset it.
+  // Restore KeyTyped, setting 'filetype=help' may reset it.
-   * It is needed for do_tag top open folds under the cursor. */
+  // It is needed for do_tag top open folds under the cursor.
   KeyTyped = old_KeyTyped;
 
   do_tag(tag, DT_HELP, 1, FALSE, TRUE);
@@ -5073,11 +5073,10 @@ int find_help_tags(const char_u *arg, int *num_matches, char_u ***matches, bool
         STRCPY(d + 4, "\\$");
       }
     } else {
-      /* Replace:
+      // Replace:
-       * "[:...:]" with "\[:...:]"
+      // "[:...:]" with "\[:...:]"
-       * "[++...]" with "\[++...]"
+      // "[++...]" with "\[++...]"
-       * "\{" with "\\{"               -- matching "} \}"
+      // "\{" with "\\{"               -- matching "} \}"
-       */
       if ((arg[0] == '[' && (arg[1] == ':'
                              || (arg[1] == '+' && arg[2] == '+')))
           || (arg[0] == '\\' && arg[1] == '{')) {
@@ -5327,8 +5326,8 @@ void fix_help_buffer(void)
         continue;
       }
 
-      /* Go through all directories in 'runtimepath', skipping
+      // Go through all directories in 'runtimepath', skipping
-       * $VIMRUNTIME. */
+      // $VIMRUNTIME.
       char_u *p = p_rtp;
       while (*p != NUL) {
         copy_option_part(&p, NameBuff, MAXPATHL, ",");
@@ -5413,10 +5412,9 @@ void fix_help_buffer(void)
                   if (*s == '\r' || *s == '\n') {
                     *s = NUL;
                   }
-                  /* The text is utf-8 when a byte
+                  // The text is utf-8 when a byte
-                   * above 127 is found and no
+                  // above 127 is found and no
-                   * illegal byte sequence is found.
+                  // illegal byte sequence is found.
-                   */
                   if (*s >= 0x80 && this_utf != kFalse) {
                     this_utf = kTrue;
                     const int l = utf_ptr2len(s);
@@ -5427,9 +5425,9 @@ void fix_help_buffer(void)
                   }
                   ++s;
                 }
-                /* The help file is latin1 or utf-8;
+                // The help file is latin1 or utf-8;
-                 * conversion to the current
+                // conversion to the current
-                 * 'encoding' may be required. */
+                // 'encoding' may be required.
                 vc.vc_type = CONV_NONE;
                 convert_setup(&vc,
                               (char_u *)(this_utf == kTrue ? "utf-8" : "latin1"),
@@ -5716,8 +5714,8 @@ static void do_helptags(char_u *dirname, bool add_help_tags, bool ignore_writeer
     return;
   }
 
-  /* Go over all files in the directory to find out what languages are
+  // Go over all files in the directory to find out what languages are
-   * present. */
+  // present.
   int j;
   ga_init(&ga, 1, 10);
   for (int i = 0; i < filecount; i++) {

src/nvim/ex_docmd.c

@@ -340,12 +340,12 @@ int do_cmdline(char_u *cmdline, LineGetter fgetline, void *cookie, int flags)
   int getline_is_func;
   static int call_depth = 0;            // recursiveness
 
-  /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
+  // For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
-   * location for storing error messages to be converted to an exception.
+  // location for storing error messages to be converted to an exception.
-   * This ensures that the do_errthrow() call in do_one_cmd() does not
+  // This ensures that the do_errthrow() call in do_one_cmd() does not
-   * combine the messages stored by an earlier invocation of do_one_cmd()
+  // combine the messages stored by an earlier invocation of do_one_cmd()
-   * with the command name of the later one.  This would happen when
+  // with the command name of the later one.  This would happen when
-   * BufWritePost autocommands are executed after a write error. */
+  // BufWritePost autocommands are executed after a write error.
   saved_msg_list = msg_list;
   msg_list = &private_msg_list;
   private_msg_list = NULL;
@@ -445,12 +445,12 @@ int do_cmdline(char_u *cmdline, LineGetter fgetline, void *cookie, int flags)
 
     // 1. If repeating, get a previous line from lines_ga.
     if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len) {
-      /* Each '|' separated command is stored separately in lines_ga, to
+      // Each '|' separated command is stored separately in lines_ga, to
-       * be able to jump to it.  Don't use next_cmdline now. */
+      // be able to jump to it.  Don't use next_cmdline now.
       XFREE_CLEAR(cmdline_copy);
 
-      /* Check if a function has returned or, unless it has an unclosed
+      // Check if a function has returned or, unless it has an unclosed
-       * try conditional, aborted. */
+      // try conditional, aborted.
       if (getline_is_func) {
         if (do_profiling == PROF_YES) {
           func_line_end(real_cookie);
@@ -630,8 +630,8 @@ int do_cmdline(char_u *cmdline, LineGetter fgetline, void *cookie, int flags)
         new_last_cmdline = NULL;
       }
     } else {
-      /* need to copy the command after the '|' to cmdline_copy, for the
+      // need to copy the command after the '|' to cmdline_copy, for the
-       * next do_one_cmd() */
+      // next do_one_cmd()
       STRMOVE(cmdline_copy, next_cmdline);
       next_cmdline = cmdline_copy;
     }
@@ -656,10 +656,10 @@ int do_cmdline(char_u *cmdline, LineGetter fgetline, void *cookie, int flags)
       if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP)) {
         cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
 
-        /* Jump back to the matching ":while" or ":for".  Be careful
+        // Jump back to the matching ":while" or ":for".  Be careful
-         * not to use a cs_line[] from an entry that isn't a ":while"
+        // not to use a cs_line[] from an entry that isn't a ":while"
-         * or ":for": It would make "current_line" invalid and can
+        // or ":for": It would make "current_line" invalid and can
-         * cause a crash. */
+        // cause a crash.
         if (!did_emsg && !got_int && !current_exception
             && cstack.cs_idx >= 0
             && (cstack.cs_flags[cstack.cs_idx]
@@ -752,9 +752,9 @@ int do_cmdline(char_u *cmdline, LineGetter fgetline, void *cookie, int flags)
   while (!((got_int || (did_emsg && force_abort) || current_exception)
            && cstack.cs_trylevel == 0)
          && !(did_emsg
-              /* Keep going when inside try/catch, so that the error can be
+              // Keep going when inside try/catch, so that the error can be
-               * deal with, except when it is a syntax error, it may cause
+              // deal with, except when it is a syntax error, it may cause
-               * the :endtry to be missed. */
+              // the :endtry to be missed.
               && (cstack.cs_trylevel == 0 || did_emsg_syntax)
               && used_getline
               && getline_equal(fgetline, cookie, getexline))
@@ -2880,8 +2880,8 @@ int cmd_exists(const char *const name)
     }
   }
 
-  /* Check built-in commands and user defined commands.
+  // Check built-in commands and user defined commands.
-   * For ":2match" and ":3match" we need to skip the number. */
+  // For ":2match" and ":3match" we need to skip the number.
   ea.cmd = (char_u *)((*name == '2' || *name == '3') ? name + 1 : name);
   ea.cmdidx = (cmdidx_T)0;
   int full = false;
@@ -3963,8 +3963,8 @@ static linenr_T get_address(exarg_T *eap, char_u **ptr, cmd_addr_T addr_type, in
       if (skip) {
         ++cmd;
       } else {
-        /* Only accept a mark in another file when it is
+        // Only accept a mark in another file when it is
-         * used by itself: ":'M". */
+        // used by itself: ":'M".
         fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
         ++cmd;
         if (fp == (pos_T *)-1) {
@@ -4444,11 +4444,10 @@ int expand_filename(exarg_T *eap, char_u **cmdlinep, char_u **errormsgp)
       xfree(l);
     }
 
-    /* Need to escape white space et al. with a backslash.
+    // Need to escape white space et al. with a backslash.
-     * Don't do this for:
+    // Don't do this for:
-     * - replacement that already has been escaped: "##"
+    // - replacement that already has been escaped: "##"
-     * - shell commands (may have to use quotes instead).
+    // - shell commands (may have to use quotes instead).
-     */
     if (!eap->usefilter
         && !escaped
         && eap->cmdidx != CMD_bang
@@ -4794,8 +4793,8 @@ static int getargopt(exarg_T *eap)
       *p = TOLOWER_ASC(*p);
     }
   } else {
-    /* Check ++bad= argument.  Must be a single-byte character, "keep" or
+    // Check ++bad= argument.  Must be a single-byte character, "keep" or
-     * "drop". */
+    // "drop".
     if (get_bad_opt(eap->cmd + bad_char_idx, eap) == FAIL) {
       return FAIL;
     }
@@ -6772,15 +6771,15 @@ void tabpage_close_other(tabpage_T *tp, int forceit)
   int h = tabline_height();
   char_u prev_idx[NUMBUFLEN];
 
-  /* Limit to 1000 windows, autocommands may add a window while we close
+  // Limit to 1000 windows, autocommands may add a window while we close
-   * one.  OK, so I'm paranoid... */
+  // one.  OK, so I'm paranoid...
   while (++done < 1000) {
     snprintf((char *)prev_idx, sizeof(prev_idx), "%i", tabpage_index(tp));
     wp = tp->tp_lastwin;
     ex_win_close(forceit, wp, tp);
 
-    /* Autocommands may delete the tab page under our fingers and we may
+    // Autocommands may delete the tab page under our fingers and we may
-     * fail to close a window with a modified buffer. */
+    // fail to close a window with a modified buffer.
     if (!valid_tabpage(tp) || tp->tp_firstwin == wp) {
       break;
     }
@@ -7166,8 +7165,8 @@ void ex_splitview(exarg_T *eap)
                        || eap->cmdidx == CMD_tabfind
                        || eap->cmdidx == CMD_tabnew;
 
-  /* A ":split" in the quickfix window works like ":new".  Don't want two
+  // A ":split" in the quickfix window works like ":new".  Don't want two
-   * quickfix windows.  But it's OK when doing ":tab split". */
+  // quickfix windows.  But it's OK when doing ":tab split".
   if (bt_quickfix(curbuf) && cmdmod.tab == 0) {
     if (eap->cmdidx == CMD_split) {
       eap->cmdidx = CMD_new;
@@ -7514,18 +7513,18 @@ void do_exedit(exarg_T *eap, win_T *old_curwin)
           enter_cleanup(&cs);
           win_close(curwin, !need_hide && !buf_hide(curbuf));
 
-          /* Restore the error/interrupt/exception state if not
+          // Restore the error/interrupt/exception state if not
-           * discarded by a new aborting error, interrupt, or
+          // discarded by a new aborting error, interrupt, or
-           * uncaught exception. */
+          // uncaught exception.
           leave_cleanup(&cs);
         }
       }
     } else if (readonlymode && curbuf->b_nwindows == 1) {
-      /* When editing an already visited buffer, 'readonly' won't be set
+      // When editing an already visited buffer, 'readonly' won't be set
-       * but the previous value is kept.  With ":view" and ":sview" we
+      // but the previous value is kept.  With ":view" and ":sview" we
-       * want the  file to be readonly, except when another window is
+      // want the  file to be readonly, except when another window is
-       * editing the same buffer. */
+      // editing the same buffer.
-      curbuf->b_p_ro = TRUE;
+      curbuf->b_p_ro = true;
     }
     readonlymode = n;
   } else {

src/nvim/ex_eval.c

@@ -406,9 +406,9 @@ char_u *get_exception_string(void *value, except_type_T type, char_u *cmdname, i
       val = ret + 4;
     }
 
-    /* msg_add_fname may have been used to prefix the message with a file
+    // msg_add_fname may have been used to prefix the message with a file
-     * name in quotes.  In the exception value, put the file name in
+    // name in quotes.  In the exception value, put the file name in
-     * parentheses and move it to the end. */
+    // parentheses and move it to the end.
     for (p = mesg;; p++) {
       if (*p == NUL
           || (*p == 'E'
@@ -922,16 +922,14 @@ void ex_else(exarg_T *eap)
     cstack->cs_flags[cstack->cs_idx] = CSF_ACTIVE;
   }
 
-  /*
+  // When debugging or a breakpoint was encountered, display the debug prompt
-   * When debugging or a breakpoint was encountered, display the debug prompt
+  // (if not already done).  This shows the user that an ":else" or ":elseif"
-   * (if not already done).  This shows the user that an ":else" or ":elseif"
+  // is executed when the ":if" or previous ":elseif" was not TRUE.  Handle
-   * is executed when the ":if" or previous ":elseif" was not TRUE.  Handle
+  // a ">quit" debug command as if an interrupt had occurred before the
-   * a ">quit" debug command as if an interrupt had occurred before the
+  // ":else" or ":elseif".  That is, set "skip" and throw an interrupt
-   * ":else" or ":elseif".  That is, set "skip" and throw an interrupt
+  // exception if appropriate.  Doing this here prevents that an exception
-   * exception if appropriate.  Doing this here prevents that an exception
+  // for a parsing errors is discarded when throwing the interrupt exception
-   * for a parsing errors is discarded when throwing the interrupt exception
+  // later on.
-   * later on.
-   */
   if (!skip && dbg_check_skipped(eap) && got_int) {
     (void)do_intthrow(cstack);
     skip = TRUE;
@@ -1055,11 +1053,11 @@ void ex_continue(exarg_T *eap)
   if (cstack->cs_looplevel <= 0 || cstack->cs_idx < 0) {
     eap->errmsg = (char_u *)N_("E586: :continue without :while or :for");
   } else {
-    /* Try to find the matching ":while".  This might stop at a try
+    // Try to find the matching ":while".  This might stop at a try
-     * conditional not in its finally clause (which is then to be executed
+    // conditional not in its finally clause (which is then to be executed
-     * next).  Therefore, deactivate all conditionals except the ":while"
+    // next).  Therefore, deactivate all conditionals except the ":while"
-     * itself (if reached). */
+    // itself (if reached).
-    idx = cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, FALSE);
+    idx = cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, false);
     assert(idx >= 0);
     if (cstack->cs_flags[idx] & (CSF_WHILE | CSF_FOR)) {
       rewind_conditionals(cstack, idx, CSF_TRY, &cstack->cs_trylevel);
@@ -1070,8 +1068,8 @@ void ex_continue(exarg_T *eap)
        */
       cstack->cs_lflags |= CSL_HAD_CONT;        // let do_cmdline() handle it
     } else {
-      /* If a try conditional not in its finally clause is reached first,
+      // If a try conditional not in its finally clause is reached first,
-       * make the ":continue" pending for execution at the ":endtry". */
+      // make the ":continue" pending for execution at the ":endtry".
       cstack->cs_pending[idx] = CSTP_CONTINUE;
       report_make_pending(CSTP_CONTINUE, NULL);
     }
@@ -1092,7 +1090,7 @@ void ex_break(exarg_T *eap)
     // Deactivate conditionals until the matching ":while" or a try
     // conditional not in its finally clause (which is then to be
     // executed next) is found.  In the latter case, make the ":break"
-    // pending for execution at the ":endtry". */
+    // pending for execution at the ":endtry".
     idx = cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, true);
     if (idx >= 0 && !(cstack->cs_flags[idx] & (CSF_WHILE | CSF_FOR))) {
       cstack->cs_pending[idx] = CSTP_BREAK;
@@ -1155,20 +1153,17 @@ void ex_endwhile(exarg_T *eap)
       // Cleanup and rewind all contained (and unclosed) conditionals.
       (void)cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, FALSE);
       rewind_conditionals(cstack, idx, CSF_TRY, &cstack->cs_trylevel);
-    }
+    } else if (cstack->cs_flags[cstack->cs_idx] & CSF_TRUE
-    /*
-     * When debugging or a breakpoint was encountered, display the debug
-     * prompt (if not already done).  This shows the user that an
-     * ":endwhile"/":endfor" is executed when the ":while" was not TRUE or
-     * after a ":break".  Handle a ">quit" debug command as if an
-     * interrupt had occurred before the ":endwhile"/":endfor".  That is,
-     * throw an interrupt exception if appropriate.  Doing this here
-     * prevents that an exception for a parsing error is discarded when
-     * throwing the interrupt exception later on.
-     */
-    else if (cstack->cs_flags[cstack->cs_idx] & CSF_TRUE
                && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE)
                && dbg_check_skipped(eap)) {
+      // When debugging or a breakpoint was encountered, display the debug
+      // prompt (if not already done).  This shows the user that an
+      // ":endwhile"/":endfor" is executed when the ":while" was not TRUE or
+      // after a ":break".  Handle a ">quit" debug command as if an
+      // interrupt had occurred before the ":endwhile"/":endfor".  That is,
+      // throw an interrupt exception if appropriate.  Doing this here
+      // prevents that an exception for a parsing error is discarded when
+      // throwing the interrupt exception later on.
       (void)do_intthrow(cstack);
     }
 
@@ -1354,8 +1349,8 @@ void ex_catch(exarg_T *eap)
       }
     }
     if (cstack->cs_flags[idx] & CSF_FINALLY) {
-      /* Give up for a ":catch" after ":finally" and ignore it.
+      // Give up for a ":catch" after ":finally" and ignore it.
-       * Just parse. */
+      // Just parse.
       eap->errmsg = (char_u *)N_("E604: :catch after :finally");
       give_up = TRUE;
     } else {
@@ -1395,16 +1390,16 @@ void ex_catch(exarg_T *eap)
         return;
       }
 
-      /* When debugging or a breakpoint was encountered, display the
+      // When debugging or a breakpoint was encountered, display the
-       * debug prompt (if not already done) before checking for a match.
+      // debug prompt (if not already done) before checking for a match.
-       * This is a helpful hint for the user when the regular expression
+      // This is a helpful hint for the user when the regular expression
-       * matching fails.  Handle a ">quit" debug command as if an
+      // matching fails.  Handle a ">quit" debug command as if an
-       * interrupt had occurred before the ":catch".  That is, discard
+      // interrupt had occurred before the ":catch".  That is, discard
-       * the original exception, replace it by an interrupt exception,
+      // the original exception, replace it by an interrupt exception,
-       * and don't catch it in this try block. */
+      // and don't catch it in this try block.
       if (!dbg_check_skipped(eap) || !do_intthrow(cstack)) {
-        /* Terminate the pattern and avoid the 'l' flag in 'cpoptions'
+        // Terminate the pattern and avoid the 'l' flag in 'cpoptions'
-         * while compiling it. */
+        // while compiling it.
         if (end != NULL) {
           save_char = *end;
           *end = NUL;
@@ -1440,16 +1435,16 @@ void ex_catch(exarg_T *eap)
     }
 
     if (caught) {
-      /* Make this ":catch" clause active and reset did_emsg and got_int.
+      // Make this ":catch" clause active and reset did_emsg and got_int.
-       * Put the exception on the caught stack. */
+      // Put the exception on the caught stack.
       cstack->cs_flags[idx] |= CSF_ACTIVE | CSF_CAUGHT;
       did_emsg = got_int = false;
       catch_exception((except_T *)cstack->cs_exception[idx]);
-      /* It's mandatory that the current exception is stored in the cstack
+      // It's mandatory that the current exception is stored in the cstack
-       * so that it can be discarded at the next ":catch", ":finally", or
+      // so that it can be discarded at the next ":catch", ":finally", or
-       * ":endtry" or when the catch clause is left by a ":continue",
+      // ":endtry" or when the catch clause is left by a ":continue",
-       * ":break", ":return", ":finish", error, interrupt, or another
+      // ":break", ":return", ":finish", error, interrupt, or another
-       * exception. */
+      // exception.
       if (cstack->cs_exception[cstack->cs_idx] != current_exception) {
         internal_error("ex_catch()");
       }
@@ -1576,13 +1571,13 @@ void ex_finally(exarg_T *eap)
         assert(pending >= CHAR_MIN && pending <= CHAR_MAX);
         cstack->cs_pending[cstack->cs_idx] = (char)pending;
 
-        /* It's mandatory that the current exception is stored in the
+        // It's mandatory that the current exception is stored in the
-         * cstack so that it can be rethrown at the ":endtry" or be
+        // cstack so that it can be rethrown at the ":endtry" or be
-         * discarded if the finally clause is left by a ":continue",
+        // discarded if the finally clause is left by a ":continue",
-         * ":break", ":return", ":finish", error, interrupt, or another
+        // ":break", ":return", ":finish", error, interrupt, or another
-         * exception.  When emsg() is called for a missing ":endif" or
+        // exception.  When emsg() is called for a missing ":endif" or
-         * a missing ":endwhile"/":endfor" detected here, the
+        // a missing ":endwhile"/":endfor" detected here, the
-         * exception will be discarded. */
+        // exception will be discarded.
         if (current_exception
             && cstack->cs_exception[cstack->cs_idx] != current_exception) {
           internal_error("ex_finally()");
@@ -1666,21 +1661,20 @@ void ex_endtry(exarg_T *eap)
       }
     }
 
-    /* If there was no finally clause, show the user when debugging or
+    // If there was no finally clause, show the user when debugging or
-     * a breakpoint was encountered that the end of the try conditional has
+    // a breakpoint was encountered that the end of the try conditional has
-     * been reached: display the debug prompt (if not already done).  Do
+    // been reached: display the debug prompt (if not already done).  Do
-     * this on normal control flow or when an exception was thrown, but not
+    // this on normal control flow or when an exception was thrown, but not
-     * on an interrupt or error not converted to an exception or when
+    // on an interrupt or error not converted to an exception or when
-     * a ":break", ":continue", ":return", or ":finish" is pending.  These
+    // a ":break", ":continue", ":return", or ":finish" is pending.  These
-     * actions are carried out immediately.
+    // actions are carried out immediately.
-     */
     if ((rethrow || (!skip
                      && !(cstack->cs_flags[idx] & CSF_FINALLY)
                      && !cstack->cs_pending[idx]))
         && dbg_check_skipped(eap)) {
-      /* Handle a ">quit" debug command as if an interrupt had occurred
+      // Handle a ">quit" debug command as if an interrupt had occurred
-       * before the ":endtry".  That is, throw an interrupt exception and
+      // before the ":endtry".  That is, throw an interrupt exception and
-       * set "skip" and "rethrow". */
+      // set "skip" and "rethrow".
       if (got_int) {
         skip = TRUE;
         (void)do_intthrow(cstack);
@@ -1815,13 +1809,12 @@ void enter_cleanup(cleanup_T *csp)
                    | (current_exception ? CSTP_THROW : 0)
                    | (need_rethrow ? CSTP_THROW : 0);
 
-    /* If we are currently throwing an exception, save it as well.  On an error
+    // If we are currently throwing an exception, save it as well.  On an error
-     * not yet converted to an exception, update "force_abort" and reset
+    // not yet converted to an exception, update "force_abort" and reset
-     * "cause_abort" (as do_errthrow() would do).  This is needed for the
+    // "cause_abort" (as do_errthrow() would do).  This is needed for the
-     * do_cmdline() call that is going to be made for autocommand execution.  We
+    // do_cmdline() call that is going to be made for autocommand execution.  We
-     * need not save *msg_list because there is an extra instance for every call
+    // need not save *msg_list because there is an extra instance for every call
-     * of do_cmdline(), anyway.
+    // of do_cmdline(), anyway.
-     */
     if (current_exception || need_rethrow) {
       csp->exception = current_exception;
       current_exception = NULL;
@@ -1897,13 +1890,10 @@ void leave_cleanup(cleanup_T *csp)
      */
     if (pending & CSTP_THROW) {
       current_exception = csp->exception;
-    }
+    } else if (pending & CSTP_ERROR) {
-    /*
+      // If an error was about to be converted to an exception when
-     * If an error was about to be converted to an exception when
+      // enter_cleanup() was called, let "cause_abort" take the part of
-     * enter_cleanup() was called, let "cause_abort" take the part of
+      // "force_abort" (as done by cause_errthrow()).
-     * "force_abort" (as done by cause_errthrow()).
-     */
-    else if (pending & CSTP_ERROR) {
       cause_abort = force_abort;
       force_abort = FALSE;
     }

src/nvim/ex_getln.c

@@ -2625,8 +2625,8 @@ static void realloc_cmdbuff(int len)
 
   char_u *p = ccline.cmdbuff;
   alloc_cmdbuff(len);                   // will get some more
-  /* There isn't always a NUL after the command, but it may need to be
+  // There isn't always a NUL after the command, but it may need to be
-   * there, thus copy up to the NUL and add a NUL. */
+  // there, thus copy up to the NUL and add a NUL.
   memmove(ccline.cmdbuff, p, (size_t)ccline.cmdlen);
   ccline.cmdbuff[ccline.cmdlen] = NUL;
   xfree(p);
@@ -3427,24 +3427,24 @@ static bool cmdline_paste(int regname, bool literally, bool remcr)
   bool allocated;
   struct cmdline_info save_ccline;
 
-  /* check for valid regname; also accept special characters for CTRL-R in
+  // check for valid regname; also accept special characters for CTRL-R in
-   * the command line */
+  // the command line
   if (regname != Ctrl_F && regname != Ctrl_P && regname != Ctrl_W
       && regname != Ctrl_A && regname != Ctrl_L
       && !valid_yank_reg(regname, false)) {
     return FAIL;
   }
 
-  /* A register containing CTRL-R can cause an endless loop.  Allow using
+  // A register containing CTRL-R can cause an endless loop.  Allow using
-   * CTRL-C to break the loop. */
+  // CTRL-C to break the loop.
   line_breakcheck();
   if (got_int) {
     return FAIL;
   }
 
 
-  /* Need to save and restore ccline.  And set "textlock" to avoid nasty
+  // Need to save and restore ccline.  And set "textlock" to avoid nasty
-   * things like going to another buffer when evaluating an expression. */
+  // things like going to another buffer when evaluating an expression.
   save_cmdline(&save_ccline);
   textlock++;
   const bool i = get_spec_reg(regname, &arg, &allocated, true);
@@ -6411,8 +6411,8 @@ static int open_cmdwin(void)
     }
   }
 
-  /* Replace the empty last line with the current command-line and put the
+  // Replace the empty last line with the current command-line and put the
-   * cursor there. */
+  // cursor there.
   ml_replace(curbuf->b_ml.ml_line_count, ccline.cmdbuff, true);
   curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
   curwin->w_cursor.col = ccline.cmdpos;

src/nvim/fileio.c

@@ -224,8 +224,8 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski
   bool keep_dest_enc = false;           // don't retry when char doesn't fit
                                         // in destination encoding
   int bad_char_behavior = BAD_REPLACE;
-  /* BAD_KEEP, BAD_DROP or character to
+  // BAD_KEEP, BAD_DROP or character to
-   * replace with */
+  // replace with
   char_u *tmpname = NULL;          // name of 'charconvert' output file
   int fio_flags = 0;
   char_u *fenc;                    // fileencoding to use
@@ -280,8 +280,8 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski
                    || (sfname == curbuf->b_ffname);
   using_b_fname = (fname == curbuf->b_fname) || (sfname == curbuf->b_fname);
 
-  /* After reading a file the cursor line changes but we don't want to
+  // After reading a file the cursor line changes but we don't want to
-   * display the line. */
+  // display the line.
   ex_no_reprint = true;
 
   // don't display the file info for another buffer now
@@ -454,9 +454,9 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski
       // been created by someone else, a ":w" will complain.
       curbuf->b_flags |= BF_NEW;
 
-      /* Create a swap file now, so that other Vims are warned
+      // Create a swap file now, so that other Vims are warned
-       * that we are editing this file.  Don't do this for a
+      // that we are editing this file.  Don't do this for a
-       * "nofile" or "nowrite" buffer type. */
+      // "nofile" or "nowrite" buffer type.
       if (!bt_dontwrite(curbuf)) {
         check_need_swap(newfile);
         // SwapExists autocommand may mess things up
@@ -524,9 +524,9 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski
     curbuf->b_start_bomb = FALSE;
   }
 
-  /* Create a swap file now, so that other Vims are warned that we are
+  // Create a swap file now, so that other Vims are warned that we are
-   * editing this file.
+  // editing this file.
-   * Don't do this for a "nofile" or "nowrite" buffer type. */
+  // Don't do this for a "nofile" or "nowrite" buffer type.
   if (!bt_dontwrite(curbuf)) {
     check_need_swap(newfile);
     if (!read_stdin
@@ -854,8 +854,8 @@ retry:
 #ifdef HAVE_ICONV
       did_iconv = false;
 #endif
-      /* Skip conversion when it's already done (retry for wrong
+      // Skip conversion when it's already done (retry for wrong
-       * "fileformat"). */
+      // "fileformat").
       if (tmpname == NULL) {
         tmpname = readfile_charconvert(fname, fenc, &fd);
         if (tmpname == NULL) {
@@ -876,17 +876,17 @@ retry:
           && iconv_fd == (iconv_t)-1
 #endif
           ) {
-        /* Conversion wanted but we can't.
+        // Conversion wanted but we can't.
-         * Try the next conversion in 'fileencodings' */
+        // Try the next conversion in 'fileencodings'
         advance_fenc = true;
         goto retry;
       }
     }
   }
 
-  /* Set "can_retry" when it's possible to rewind the file and try with
+  // Set "can_retry" when it's possible to rewind the file and try with
-   * another "fenc" value.  It's FALSE when no other "fenc" to try, reading
+  // another "fenc" value.  It's FALSE when no other "fenc" to try, reading
-   * stdin or fixed at a specific encoding. */
+  // stdin or fixed at a specific encoding.
   can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc && !read_fifo);
 
   if (!skip_read) {
@@ -1014,9 +1014,9 @@ retry:
                 read_buf_col += n;
                 break;
               } else {
-                /* Append whole line and new-line.  Change NL
+                // Append whole line and new-line.  Change NL
-                * to NUL to reverse the effect done below. */
+                // to NUL to reverse the effect done below.
-                for (ni = 0; ni < n; ++ni) {
+                for (ni = 0; ni < n; ni++) {
                   if (p[ni] == NL) {
                     ptr[tlen++] = NUL;
                   } else {
@@ -1076,10 +1076,10 @@ retry:
               *(ptr - conv_restlen) = NUL;
               conv_restlen = 0;
             } else {
-              /* Replace the trailing bytes with the replacement
+              // Replace the trailing bytes with the replacement
-               * character if we were converting; if we weren't,
+              // character if we were converting; if we weren't,
-               * leave the UTF8 checking code to do it, as it
+              // leave the UTF8 checking code to do it, as it
-               * works slightly differently. */
+              // works slightly differently.
               if (bad_char_behavior != BAD_KEEP && (fio_flags != 0
 #ifdef HAVE_ICONV
                                                     || iconv_fd != (iconv_t)-1
@@ -1212,8 +1212,8 @@ retry:
         }
 
         if (from_size > 0) {
-          /* Some remaining characters, keep them for the next
+          // Some remaining characters, keep them for the next
-           * round. */
+          // round.
           memmove(conv_rest, (char_u *)fromp, from_size);
           conv_restlen = (int)from_size;
         }
@@ -1752,11 +1752,11 @@ failed:
     }
     if (newfile || read_buffer) {
       redraw_curbuf_later(NOT_VALID);
-      /* After reading the text into the buffer the diff info needs to
+      // After reading the text into the buffer the diff info needs to
-       * be updated. */
+      // be updated.
       diff_invalidate(curbuf);
-      /* All folds in the window are invalid now.  Mark them for update
+      // All folds in the window are invalid now.  Mark them for update
-       * before triggering autocommands. */
+      // before triggering autocommands.
       foldUpdateAll(curwin);
     } else if (linecnt) {               // appended at least one line
       appended_lines_mark(from, linecnt);
@@ -2129,8 +2129,8 @@ static char_u *readfile_charconvert(char_u *fname, char_u *fenc, int *fdp)
   }
 
   if (errmsg != NULL) {
-    /* Don't use emsg(), it breaks mappings, the retry with
+    // Don't use emsg(), it breaks mappings, the retry with
-     * another type of conversion might still work. */
+    // another type of conversion might still work.
     MSG(errmsg);
     if (tmpname != NULL) {
       os_remove((char *)tmpname);  // delete converted file
@@ -3908,9 +3908,9 @@ static int check_mtime(buf_T *buf, FileInfo *file_info)
 static bool time_differs(long t1, long t2) FUNC_ATTR_CONST
 {
 #if defined(__linux__) || defined(MSWIN)
-  /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
+  // On a FAT filesystem, esp. under Linux, there are only 5 bits to store
-   * the seconds.  Since the roundoff is done when flushing the inode, the
+  // the seconds.  Since the roundoff is done when flushing the inode, the
-   * time may change unexpectedly by one second!!! */
+  // time may change unexpectedly by one second!!!
   return t1 - t2 > 1 || t2 - t1 > 1;
 #else
   return t1 != t2;
@@ -4192,8 +4192,8 @@ static bool need_conversion(const char_u *fenc)
     same_encoding = TRUE;
     fenc_flags = 0;
   } else {
-    /* Ignore difference between "ansi" and "latin1", "ucs-4" and
+    // Ignore difference between "ansi" and "latin1", "ucs-4" and
-     * "ucs-4be", etc. */
+    // "ucs-4be", etc.
     enc_flags = get_fio_flags(p_enc);
     fenc_flags = get_fio_flags(fenc);
     same_encoding = (enc_flags != 0 && fenc_flags == enc_flags);
@@ -4203,8 +4203,8 @@ static bool need_conversion(const char_u *fenc)
     return false;
   }
 
-  /* Encodings differ.  However, conversion is not needed when 'enc' is any
+  // Encodings differ.  However, conversion is not needed when 'enc' is any
-   * Unicode encoding and the file is UTF-8. */
+  // Unicode encoding and the file is UTF-8.
   return !(fenc_flags == FIO_UTF8);
 }
 
@@ -4697,8 +4697,8 @@ int vim_rename(const char_u *from, const char_u *to)
           (void)os_rename(tempname, from);
           return -1;
         }
-        /* If it fails for one temp name it will most likely fail
+        // If it fails for one temp name it will most likely fail
-         * for any temp name, give up. */
+        // for any temp name, give up.
         return -1;
       }
     }
@@ -4954,8 +4954,8 @@ int buf_check_timestamp(buf_T *buf)
       buf_store_file_info(buf, &file_info);
     }
 
-    /* Don't do anything for a directory.  Might contain the file
+    // Don't do anything for a directory.  Might contain the file
-     * explorer. */
+    // explorer.
     if (os_isdir(buf->b_fname)) {
     } else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar)
                && !bufIsChanged(buf) && file_info_ok) {
@@ -5217,8 +5217,8 @@ void buf_reload(buf_T *buf, int orig_mode)
   // Invalidate diff info if necessary.
   diff_invalidate(curbuf);
 
-  /* Restore the topline and cursor position and check it (lines may
+  // Restore the topline and cursor position and check it (lines may
-   * have been removed). */
+  // have been removed).
   if (old_topline > curbuf->b_ml.ml_line_count) {
     curwin->w_topline = curbuf->b_ml.ml_line_count;
   } else {
@@ -5237,9 +5237,9 @@ void buf_reload(buf_T *buf, int orig_mode)
     }
   }
 
-  /* If the mode didn't change and 'readonly' was set, keep the old
+  // If the mode didn't change and 'readonly' was set, keep the old
-   * value; the user probably used the ":view" command.  But don't
+  // value; the user probably used the ":view" command.  But don't
-   * reset it, might have had a read error. */
+  // reset it, might have had a read error.
   if (orig_mode == curbuf->b_orig_mode) {
     curbuf->b_p_ro |= old_ro;
   }
@@ -5754,8 +5754,8 @@ long write_eintr(int fd, void *buf, size_t bufsize)
   long ret = 0;
   long wlen;
 
-  /* Repeat the write() so long it didn't fail, other than being interrupted
+  // Repeat the write() so long it didn't fail, other than being interrupted
-   * by a signal. */
+  // by a signal.
   while (ret < (long)bufsize) {
     wlen = write(fd, (char *)buf + ret, bufsize - ret);
     if (wlen < 0) {

src/nvim/fold.c

@@ -72,12 +72,12 @@ typedef struct {
   linenr_T lnum_save;           // line nr used by foldUpdateIEMSRecurse()
   int lvl;                      // current level (-1 for undefined)
   int lvl_next;                 // level used for next line
-  int start;                    /* number of folds that are forced to start at
+  int start;                    // number of folds that are forced to start at
-                                   this line. */
+                                // this line.
-  int end;                      /* level of fold that is forced to end below
+  int end;                      // level of fold that is forced to end below
-                                   this line */
+                                // this line
-  int had_end;                  /* level of fold that is forced to end above
+  int had_end;                  // level of fold that is forced to end above
-                                   this line (copy of "end" of prev. line) */
+                                // this line (copy of "end" of prev. line)
 } fline_T;
 
 // Flag is set when redrawing is needed.
@@ -405,8 +405,8 @@ void opFoldRange(pos_T firstpos, pos_T lastpos, int opening, int recurse, int ha
   for (lnum = first; lnum <= last; lnum = lnum_next + 1) {
     pos_T temp = { lnum, 0, 0 };
     lnum_next = lnum;
-    /* Opening one level only: next fold to open is after the one going to
+    // Opening one level only: next fold to open is after the one going to
-     * be opened. */
+    // be opened.
     if (opening && !recurse) {
       (void)hasFolding(lnum, NULL, &lnum_next);
     }
@@ -639,8 +639,8 @@ void foldCreate(win_T *wp, pos_T start, pos_T end)
     }
     if (cont > 0) {
       ga_grow(&fold_ga, cont);
-      /* If the first fold starts before the new fold, let the new fold
+      // If the first fold starts before the new fold, let the new fold
-       * start there.  Otherwise the existing fold would change. */
+      // start there.  Otherwise the existing fold would change.
       if (start_rel.lnum > fp->fd_top) {
         start_rel.lnum = fp->fd_top;
       }
@@ -655,8 +655,8 @@ void foldCreate(win_T *wp, pos_T start, pos_T end)
       fold_ga.ga_len += cont;
       i += cont;
 
-      /* Adjust line numbers in contained folds to be relative to the
+      // Adjust line numbers in contained folds to be relative to the
-       * new fold. */
+      // new fold.
       for (int j = 0; j < cont; j++) {
         ((fold_T *)fold_ga.ga_data)[j].fd_top -= start_rel.lnum;
       }
@@ -673,9 +673,8 @@ void foldCreate(win_T *wp, pos_T start, pos_T end)
     fp->fd_top = start_rel.lnum;
     fp->fd_len = end_rel.lnum - start_rel.lnum + 1;
 
-    /* We want the new fold to be closed.  If it would remain open because
+    // We want the new fold to be closed.  If it would remain open because
-     * of using 'foldlevel', need to adjust fd_flags of containing folds.
+    // of using 'foldlevel', need to adjust fd_flags of containing folds.
-     */
     if (use_level && !closed && level < wp->w_p_fdl) {
       closeFold(start, 1L);
     }
@@ -916,8 +915,8 @@ int foldMoveTo(const bool updown, const int dir, const long count)
             break;
           }
         }
-        /* don't look for contained folds, they will always move
+        // don't look for contained folds, they will always move
-         * the cursor too far. */
+        // the cursor too far.
         last = true;
       }
 
@@ -953,8 +952,8 @@ int foldMoveTo(const bool updown, const int dir, const long count)
           }
         }
       } else {
-        /* Open fold found, set cursor to its start/end and then check
+        // Open fold found, set cursor to its start/end and then check
-         * nested folds. */
+        // nested folds.
         if (dir == FORWARD) {
           lnum = fp->fd_top + lnum_off + fp->fd_len - 1;
           if (lnum > curwin->w_cursor.lnum) {
@@ -1375,8 +1374,8 @@ static void deleteFoldEntry(win_T *const wp, garray_T *const gap, const int idx,
       memmove(fp, fp + 1, sizeof(*fp) * (size_t)(gap->ga_len - idx));
     }
   } else {
-    /* Move nested folds one level up, to overwrite the fold that is
+    // Move nested folds one level up, to overwrite the fold that is
-     * deleted. */
+    // deleted.
     int moved = fp->fd_nested.ga_len;
     ga_grow(gap, moved - 1);
     {
@@ -1517,8 +1516,8 @@ static void foldMarkAdjustRecurse(win_T *wp, garray_T *gap, linenr_T line1, line
             fp->fd_len += amount_after;
           }
         } else {
-          /* 5. fold is below line1 and contains line2; need to
+          // 5. fold is below line1 and contains line2; need to
-           * correct nested folds too */
+          // correct nested folds too
           if (amount == MAXLNUM) {
             foldMarkAdjustRecurse(wp, &fp->fd_nested, line1 - fp->fd_top,
                                   line2 - fp->fd_top, amount,
@@ -1660,8 +1659,8 @@ static void foldCreateMarkers(win_T *wp, pos_T start, pos_T end)
   foldAddMarker(buf, start, wp->w_p_fmr, foldstartmarkerlen);
   foldAddMarker(buf, end, foldendmarker, foldendmarkerlen);
 
-  /* Update both changes here, to avoid all folds after the start are
+  // Update both changes here, to avoid all folds after the start are
-   * changed when the start marker is inserted and the end isn't. */
+  // changed when the start marker is inserted and the end isn't.
   // TODO(teto): pass the buffer
   changed_lines(start.lnum, (colnr_T)0, end.lnum, 0L, false);
 
@@ -1857,8 +1856,8 @@ char_u *get_foldtext(win_T *wp, linenr_T lnum, linenr_T lnume, foldinfo_T foldin
     }
 
     if (text != NULL) {
-      /* Replace unprintable characters, if there are any.  But
+      // Replace unprintable characters, if there are any.  But
-       * replace a TAB with a space. */
+      // replace a TAB with a space.
       for (p = text; *p != NUL; p++) {
         int len = utfc_ptr2len(p);
 
@@ -1941,10 +1940,9 @@ void foldtext_cleanup(char_u *str)
         ++len;
       }
 
-      /* May remove 'commentstring' start.  Useful when it's a double
+      // May remove 'commentstring' start.  Useful when it's a double
-       * quote and we already removed a double quote. */
+      // quote and we already removed a double quote.
-      for (p = s; p > str && ascii_iswhite(p[-1]); --p) {
+      for (p = s; p > str && ascii_iswhite(p[-1]); p--) {
-        ;
       }
       if (p >= str + cms_slen
           && STRNCMP(p - cms_slen, cms_start, cms_slen) == 0) {
@@ -2074,12 +2072,12 @@ static void foldUpdateIEMS(win_T *const wp, linenr_T top, linenr_T bot)
       getlevel = foldlevelIndent;
     }
 
-    /* Backup to a line for which the fold level is defined.  Since it's
+    // Backup to a line for which the fold level is defined.  Since it's
-     * always defined for line one, we will stop there. */
+    // always defined for line one, we will stop there.
     fline.lvl = -1;
-    for (; !got_int; --fline.lnum) {
+    for (; !got_int; fline.lnum--) {
-      /* Reset lvl_next each time, because it will be set to a value for
+      // Reset lvl_next each time, because it will be set to a value for
-       * the next line, but we search backwards here. */
+      // the next line, but we search backwards here.
       fline.lvl_next = -1;
       getlevel(&fline);
       if (fline.lvl >= 0) {
@@ -2128,15 +2126,15 @@ static void foldUpdateIEMS(win_T *const wp, linenr_T top, linenr_T bot)
     end = start;
   }
   while (!got_int) {
-    /* Always stop at the end of the file ("end" can be past the end of
+    // Always stop at the end of the file ("end" can be past the end of
-     * the file). */
+    // the file).
     if (fline.lnum > wp->w_buffer->b_ml.ml_line_count) {
       break;
     }
     if (fline.lnum > end) {
-      /* For "marker", "expr"  and "syntax"  methods: If a change caused
+      // For "marker", "expr"  and "syntax"  methods: If a change caused
-       * a fold to be removed, we need to continue at least until where
+      // a fold to be removed, we need to continue at least until where
-       * it ended. */
+      // it ended.
       if (getlevel != foldlevelMarker
           && getlevel != foldlevelSyntax
           && getlevel != foldlevelExpr) {
@@ -2334,17 +2332,17 @@ static linenr_T foldUpdateIEMSRecurse(garray_T *const gap, const int level,
        * firstlnum.
        */
       while (!got_int) {
-        /* set concat to 1 if it's allowed to concatenated this fold
+        // set concat to 1 if it's allowed to concatenated this fold
-         * with a previous one that touches it. */
+        // with a previous one that touches it.
         if (flp->start != 0 || flp->had_end <= MAX_LEVEL) {
           concat = 0;
         } else {
           concat = 1;
         }
 
-        /* Find an existing fold to re-use.  Preferably one that
+        // Find an existing fold to re-use.  Preferably one that
-         * includes startlnum, otherwise one that ends just before
+        // includes startlnum, otherwise one that ends just before
-         * startlnum or starts after it. */
+        // startlnum or starts after it.
         if (gap->ga_len > 0
             && (foldFind(gap, startlnum, &fp)
                 || (fp < ((fold_T *)gap->ga_data) + gap->ga_len
@@ -2405,9 +2403,9 @@ static linenr_T foldUpdateIEMSRecurse(garray_T *const gap, const int level,
               i = (int)(fp - (fold_T *)gap->ga_data);
               foldSplit(flp->wp->w_buffer, gap, i, breakstart, breakend - 1);
               fp = (fold_T *)gap->ga_data + i + 1;
-              /* If using the "marker" or "syntax" method, we
+              // If using the "marker" or "syntax" method, we
-               * need to continue until the end of the fold is
+              // need to continue until the end of the fold is
-               * found. */
+              // found.
               if (getlevel == foldlevelMarker
                   || getlevel == foldlevelExpr
                   || getlevel == foldlevelSyntax) {
@@ -2433,8 +2431,8 @@ static linenr_T foldUpdateIEMSRecurse(garray_T *const gap, const int level,
             deleteFoldEntry(flp->wp, gap,
                             (int)(fp - (fold_T *)gap->ga_data), true);
           } else {
-            /* A fold has some lines above startlnum, truncate it
+            // A fold has some lines above startlnum, truncate it
-             * to stop just above startlnum.  */
+            // to stop just above startlnum.
             fp->fd_len = startlnum - fp->fd_top;
             foldMarkAdjustRecurse(flp->wp, &fp->fd_nested,
                                   fp->fd_len, (linenr_T)MAXLNUM,
@@ -2442,8 +2440,8 @@ static linenr_T foldUpdateIEMSRecurse(garray_T *const gap, const int level,
             fold_changed = true;
           }
         } else {
-          /* Insert new fold.  Careful: ga_data may be NULL and it
+          // Insert new fold.  Careful: ga_data may be NULL and it
-           * may change! */
+          // may change!
           if (gap->ga_len == 0) {
             i = 0;
           } else {
@@ -2451,13 +2449,13 @@ static linenr_T foldUpdateIEMSRecurse(garray_T *const gap, const int level,
           }
           foldInsert(gap, i);
           fp = (fold_T *)gap->ga_data + i;
-          /* The new fold continues until bot, unless we find the
+          // The new fold continues until bot, unless we find the
-           * end earlier. */
+          // end earlier.
           fp->fd_top = firstlnum;
           fp->fd_len = bot - firstlnum + 1;
-          /* When the containing fold is open, the new fold is open.
+          // When the containing fold is open, the new fold is open.
-           * The new fold is closed if the fold above it is closed.
+          // The new fold is closed if the fold above it is closed.
-           * The first fold depends on the containing fold. */
+          // The first fold depends on the containing fold.
           if (topflags == FD_OPEN) {
             flp->wp->w_fold_manual = true;
             fp->fd_flags = FD_OPEN;
@@ -2684,8 +2682,8 @@ static void foldSplit(buf_T *buf, garray_T *const gap, const int i, const linenr
   fp[1].fd_small = kNone;
   fp->fd_small = kNone;
 
-  /* Move nested folds below bot to new fold.  There can't be
+  // Move nested folds below bot to new fold.  There can't be
-   * any between top and bot, they have been removed by the caller. */
+  // any between top and bot, they have been removed by the caller.
   garray_T *const gap1 = &fp->fd_nested;
   garray_T *const gap2 = &fp[1].fd_nested;
   if (foldFind(gap1, bot + 1 - fp->fd_top, &fp2)) {
@@ -3039,8 +3037,8 @@ static void foldlevelExpr(fline_T *flp)
     flp->lvl = 0;
   }
 
-  /* KeyTyped may be reset to 0 when calling a function which invokes
+  // KeyTyped may be reset to 0 when calling a function which invokes
-   * do_cmdline().  To make 'foldopen' work correctly restore KeyTyped. */
+  // do_cmdline().  To make 'foldopen' work correctly restore KeyTyped.
   const bool save_keytyped = KeyTyped;
   const int n = eval_foldexpr(flp->wp->w_p_fde, &c);
   KeyTyped = save_keytyped;
@@ -3308,9 +3306,9 @@ static int put_foldopen_recurse(FILE *fd, win_T *wp, garray_T *gap, linenr_T off
           }
         }
       } else {
-        /* Open or close the leaf according to the window foldlevel.
+        // Open or close the leaf according to the window foldlevel.
-         * Do not close a leaf that is already closed, as it will close
+        // Do not close a leaf that is already closed, as it will close
-         * the parent. */
+        // the parent.
         level = foldLevelWin(wp, off + fp->fd_top);
         if ((fp->fd_flags == FD_CLOSED && wp->w_p_fdl >= level)
             || (fp->fd_flags != FD_CLOSED && wp->w_p_fdl < level)) {