[fix] Don't break OPDS parsing on HR tags (#5949)

Apply the same crappy workaround as for BR.

Fix #5948

frontend/luxl.lua

@@ -8,6 +8,7 @@
 
     Pure Lua Version written by: William A Adams
     Dramatic Speed Improvements by: Robert G Jakabosky
+    https://github.com/Wiladams/LAPHLibs/blob/master/laphlibs/luxl.lua
 
     References
 
@@ -20,10 +21,15 @@ local ffi = require "ffi"
 local bit = require "bit"
 local band = bit.band
 
+
 --[[
- Types of characters; 0 is not valid, 1 is letters, 2 are digits
+ Types of characters;
-   (including '.') and 3 whitespace.
+     0 is not valid
+     1 is letters,
+     2 are digits (including '.')
+     3 whitespace
 --]]
+
 local char_type = ffi.new("const int[256]", {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 3, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -43,6 +49,8 @@ local char_type = ffi.new("const int[256]", {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 });
 
+
+
 -- Internal states that the parser can be in at any given time.
 local ST_START = 0;            -- starting base state; default state
 local ST_TEXT =1;              -- text state
@@ -198,6 +206,7 @@ struct parse_state {
     int i;
     int ix;               /* index into buffer */
 };
+
 ]]
 
 local cclass_match = {

frontend/ui/opdsparser.lua

@@ -79,6 +79,9 @@ function OPDSParser:parse(text)
     -- but will kick the ass of luxl
     text = text:gsub("<br>", "<br />")
     text = text:gsub("<br/>", "<br />")
+    -- Same deal with hr
+    text = text:gsub("<hr>", "<hr />")
+    text = text:gsub("<hr/>", "<hr />")
     -- some OPDS catalogs wrap text in a CDATA section, remove it as it causes parsing problems
     text = text:gsub("<!%[CDATA%[(.-)%]%]>", function (s)
         return s:gsub( "%p", {["&"] = "&amp;", ["<"] = "&lt;", [">"] = "&gt;" } )