update handling of brackets. fixes #89

Author: firasm

src/problem_bank_scripts/problem_bank_scripts.py

@@ -1271,6 +1271,10 @@ def process_question_pl(source_filepath, output_path=None, dev=False):
     # Fix Latex underscore bug (_ being replaced with \_)
     question_html = question_html.replace("\\_", "_")
 
+    # Fix Latex bracket bug ([ and ] replaced with \[ and \])
+    # See https://github.com/open-resources/problem_bank_scripts/issues/89
+    question_html = question_html.replace("\\[","[").replace("\\]","]")
+
     # Fix empty <markdown> block
     # See this issue: https://github.com/PrairieLearn/PrairieLearn/issues/8346
     # TODO: this can be removed once issue 8346 is resolved