Debug pipelines

Author: rbong

autoload/flog/test.vim

@@ -21,6 +21,8 @@ function! flog#test#ShowNvimBufHl() abort
     let l:start_virtcol = virtcol([l:row + 1, l:start_col])
     let l:end_virtcol = virtcol([l:row + 1, l:details.end_col]) - 1
 
+    echo 'Debug: start/end virtcol: "' .. l:start_virtcol .. '" ; "' .. l:end_vertcol .. '"'
+
     if l:end_virtcol >= l:start_virtcol
       for l:virtcol in range(l:start_virtcol, l:end_virtcol)
         let l:hl_groups[l:virtcol] = l:details.hl_group