Add comment to php-cautious-indent-region

Author: zonuexe

php-mode.el

@@ -820,12 +820,17 @@ example `html-mode'.  Known such libraries are:\n\t"
         nil))))
 
 (defun php-cautious-indent-region (start end &optional quiet)
+  "Carefully indent region `START' `END' in contexts other than HTML templates.
+
+If the optional argument `QUIET' is non-nil then no syntactic errors are
+reported, even if `c-report-syntactic-errors' is non-nil."
   (if (or (not php-mode-warn-if-mumamo-off)
           php-warned-bad-indent
           (php-check-html-for-indentation))
       (funcall 'c-indent-region start end quiet)))
 
 (defun php-cautious-indent-line ()
+  "Carefully indent lines in contexts other than HTML templates."
   (if (or (not php-mode-warn-if-mumamo-off)
           php-warned-bad-indent
           (php-check-html-for-indentation))