I have just set up LimeSurvey and I am trying to create a test survey in order to get a grasp on how the system works.
I have been reading through the manual and in the part about creating questions manual.limesurvey.org/Adding_a_question I cannot get the question codes to work as specified.
1) I am not sure of the purpose of the codes
2) I have tried to make a code such as T001 and it is rejected but it accepts T1. I have tried creating a code T2_1 and it is rejected.
According to the manual page "The question Code should be unique, and must start with a letter or underscore, and only contain letters, numbers, and underscores", my codes should work but apparently I am missing some information.
Running LimeSurvey Version 2.05+ Build 140109 on Ubuntu 13, PHP 5.5.3 with Apache2.
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