fix(capture): Escape replacement content in capture window

Fixes #701

Author: kristijanhusak

lua/orgmode/capture/template/init.lua

@@ -213,7 +213,7 @@ function Template:_compile_expansions(content, found_expansions)
   found_expansions = found_expansions or expansions
   for expansion, compiler in pairs(found_expansions) do
     if content:match(vim.pesc(expansion)) then
-      content = content:gsub(vim.pesc(expansion), compiler())
+      content = content:gsub(vim.pesc(expansion), vim.pesc(compiler()))
     end
   end
   return content

tests/plenary/capture/templates_spec.lua

@@ -24,6 +24,21 @@ describe('Capture template', function()
     vim.fn.setreg('+', clip_backup)
   end)
 
+  it('should escape the compiled content', function()
+    ---Backup and restore the clipboard
+    local clip_backup = vim.fn.getreg('+')
+    vim.fn.setreg('+', 'nvim-orgmode%20is%20great!')
+    local template = Template:new({
+      template = '* TODO [[%x][]]\n',
+    })
+
+    assert.are.same({
+      '* TODO [[nvim-orgmode%20is%20great!][]]',
+      '',
+    }, template:compile())
+    vim.fn.setreg('+', clip_backup)
+  end)
+
   it('gets current date for datetree enabled with true', function()
     local template = Template:new({
       template = '* %?',