Fix markdown in hover descriptions

server/script/provider/markdown.lua

@@ -16,6 +16,21 @@ local function checkSplitLine(self)
     self[#self+1] = '\n---'
 end
 
+local function splitString(str, delimiter)
+    local result = {}
+    local from = 1
+    local delim_from, delim_to = string.find(str, delimiter, from, true)
+    while delim_from do
+        if (delim_from ~= 1) then
+            table.insert(result, string.sub(str, from, delim_from-1))
+        end
+        from = delim_to + 1
+        delim_from, delim_to = string.find(str, delimiter, from, true)
+    end
+    if (from <= #str) then table.insert(result, string.sub(str, from)) end
+    return result
+end
+
 function mt:add(language, text)
     if not text or #text == 0 then
         return
@@ -27,7 +42,13 @@ function mt:add(language, text)
         if self._last == 'md' then
             self[#self+1] = ''
         end
-        self[#self+1] = text
+        local formattedLines = {}
+        local lines = splitString(text:gsub("\r", ""), "\n")
+        local indent = #(lines[1] or ""):match('^%s*')
+        for _, line in ipairs(lines) do
+            formattedLines[#formattedLines+1] = line:sub(indent + 1)
+        end
+        self[#self+1] =  table.concat(formattedLines, "\n")
     else
         if #self > 0 then
             self[#self+1] = ''

server/script/provider/provider.lua

@@ -489,7 +489,7 @@ local function replaceSpaces(text)
     end
     return text:gsub("  +", function (s)
         return (" "):rep(#s)
-    end)
+    end):gsub("\t", "    ")
 end
 
 proto.on('textDocument/completion', function (params)