(If you find progress and other non-error messages irritating, you can use -q to suppress them)

(You can use the -w option to dump extensions.conf format to extensions.conf.aeldump)
LOG: lev:2 file:pbx_ael.c  line:4048 func: pbx_load_module  Starting AEL load process.
LOG: lev:2 file:pbx_ael.c  line:4055 func: pbx_load_module  AEL load process: calculated config file name './extensions.ael'.
LOG: lev:2 file:ael.flex  line:654 func: setup_filestack    --Read in included file ./apptest.ael2, 3474 chars
LOG: lev:3 file:ael.y  line:529 func: ael_yyparse  ==== File: ./apptest.ael2, Line 46, Cols: 8-11: Suggestion: Use the goto statement instead of the Goto() application call in AEL.
LOG: lev:2 file:pbx_ael.c  line:4063 func: pbx_load_module  AEL load process: parsed config file name './extensions.ael'.
LOG: lev:3 file:pbx_ael.c  line:2392 func: check_pval_item  Warning: file ./apptest.ael2, line 35-35: application call to EndWhile needs to be re-written using AEL if, while, goto, etc. keywords instead!
LOG: lev:3 file:pbx_ael.c  line:2392 func: check_pval_item  Warning: file ./apptest.ael2, line 37-37: application call to ExecIf needs to be re-written using AEL if, while, goto, etc. keywords instead!
LOG: lev:3 file:pbx_ael.c  line:1287 func: check_goto  Warning: file ./apptest.ael2, line 46-46: goto:  no context cont could be found that matches the goto target!
LOG: lev:3 file:pbx_ael.c  line:2392 func: check_pval_item  Warning: file ./apptest.ael2, line 47-47: application call to GotoIf needs to be re-written using AEL if, while, goto, etc. keywords instead!
LOG: lev:3 file:pbx_ael.c  line:2392 func: check_pval_item  Warning: file ./apptest.ael2, line 48-48: application call to GotoIfTime needs to be re-written using AEL if, while, goto, etc. keywords instead!
LOG: lev:3 file:pbx_ael.c  line:2392 func: check_pval_item  Warning: file ./apptest.ael2, line 85-85: application call to Random needs to be re-written using AEL if, while, goto, etc. keywords instead!
LOG: lev:3 file:pbx_ael.c  line:2392 func: check_pval_item  Warning: file ./apptest.ael2, line 141-141: application call to While needs to be re-written using AEL if, while, goto, etc. keywords instead!
LOG: lev:2 file:pbx_ael.c  line:4066 func: pbx_load_module  AEL load process: checked config file name './extensions.ael'.
LOG: lev:2 file:pbx_ael.c  line:4068 func: pbx_load_module  AEL load process: compiled config file name './extensions.ael'.
LOG: lev:2 file:pbx_ael.c  line:4071 func: pbx_load_module  AEL load process: merged config file name './extensions.ael'.
LOG: lev:2 file:pbx_ael.c  line:4074 func: pbx_load_module  AEL load process: verified config file name './extensions.ael'.
LOG: lev:4 file:ael2_parse  line:527 func: main  1 contexts, 1 extensions, 142 priorities