Prevent insertion of popup text into buffer, fix #325

.github/workflows/lint.yml

@@ -23,10 +23,10 @@ jobs:
     name: Vint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
 
       - name: Install python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
 
       - name: Install vint
         run: |

autoload/matchup/matchparen.vim

@@ -688,7 +688,9 @@ function! s:set_popup_text(lnum, adjust, offscreen) abort
   elseif exists('t:match_popup')
     call setbufline(winbufnr(t:match_popup), 1, l:text)
   elseif exists('s:float_id')
-    call setbufline(winbufnr(s:float_id), 1, l:text)
+    if s:float_id > 0 && winbufnr(s:float_id) != bufnr('%')
+      call setbufline(winbufnr(s:float_id), 1, l:text)
+    endif
   endif
   return strdisplaywidth(l:text)
 endfunction

doc/matchup.txt

@@ -1,5 +1,5 @@
 *matchup.txt*    modern matching words
-*matchup* *match-up*
+*matchup* *match-up* *vim-matchup*
 
 Author: Andy Massimino <a@normed.space>
 Web: https://github.com/andymass/vim-matchup
@@ -270,7 +270,6 @@ See |matchup-feat-exclusive| and |matchup-feat-linewise| for some examples and
 important special cases.
 
                                                       *matchup-treesitter*
-
 Tree-sitter integration~
 Note: Currently this feature is possible in neovim only. Only the latest
 version of neovim and nvim-treesitter is supported.
@@ -830,7 +829,7 @@ the function |timer_pause|, version 7.4.2180 and after.
       else
         cout << ""; ◀ if
 
-  Default ◀
+  Default: ◀
 
 *MatchupVirtualText*