fix: trim temml/render input

doerg/src/net/deertopia/doerg/tex/temml.clj

@@ -55,15 +55,18 @@
   (command-worker [s]))
 
 (defn render [s]
-  (if-let [[_ inner] (re-matches #"(?s)\\[(.*)\\]" s)]
+  (let [s (str/trim s)]
+    (if-let [[_ inner] (re-matches #"(?s)\\\[(.*)\\]" s)]
       (render-display inner)
       (if (re-matches #"(?s)\\begin\{.+?}(.*?)\\end\{.+?}" s)
         (render-display s)
         (if-let [[_ inner] (re-matches #"(?s)\\\((.*)\\\)" s)]
           (render-inline inner)
           (throw (IllegalArgumentException.
+                  (ex-info
                    (str "`net.deertopia.doerg.tex.temml` argument should"
-                     " be enclosed in math delimiters.")))))))
+                        " be enclosed in math delimiters.")
+                   {:arg s}))))))))
 
 ;; hackky....
 (defn erroneous-output? [s]