lib: textification: comments and tags ... 
			No change.
hledger -f data/100x100x10.journal stats
<<ghc: 42859576 bytes, 84 GCs, 193781/269984 avg/max bytes residency (3 samples), 2M in use, 0.000 INIT (0.001 elapsed), 0.016 MUT (0.020 elapsed), 0.009 GC (0.011 elapsed) :ghc>>
<<ghc: 42859576 bytes, 84 GCs, 193781/269984 avg/max bytes residency (3 samples), 2M in use, 0.000 INIT (0.001 elapsed), 0.015 MUT (0.018 elapsed), 0.009 GC (0.013 elapsed) :ghc>>
hledger -f data/1000x1000x10.journal stats
<<ghc: 349576344 bytes, 681 GCs, 1407388/4091680 avg/max bytes residency (7 samples), 11M in use, 0.000 INIT (0.000 elapsed), 0.124 MUT (0.130 elapsed), 0.047 GC (0.055 elapsed) :ghc>>
<<ghc: 349576280 bytes, 681 GCs, 1407388/4091680 avg/max bytes residency (7 samples), 11M in use, 0.000 INIT (0.000 elapsed), 0.126 MUT (0.132 elapsed), 0.049 GC (0.058 elapsed) :ghc>>
hledger -f data/10000x1000x10.journal stats
<<ghc: 3424030664 bytes, 6658 GCs, 11403359/41071624 avg/max bytes residency (11 samples), 111M in use, 0.000 INIT (0.000 elapsed), 1.207 MUT (1.228 elapsed), 0.473 GC (0.528 elapsed) :ghc>>
<<ghc: 3424030760 bytes, 6658 GCs, 11403874/41077288 avg/max bytes residency (11 samples), 111M in use, 0.000 INIT (0.002 elapsed), 1.234 MUT (1.256 elapsed), 0.470 GC (0.520 elapsed) :ghc>>
hledger -f data/100000x1000x10.journal stats
<<ghc: 34306547448 bytes, 66727 GCs, 76805504/414629288 avg/max bytes residency (14 samples), 1009M in use, 0.000 INIT (0.003 elapsed), 12.615 MUT (12.813 elapsed), 4.656 GC (5.291 elapsed) :ghc>>
<<ghc: 34306547320 bytes, 66727 GCs, 76805504/414629288 avg/max bytes residency (14 samples), 1009M in use, 0.000 INIT (0.009 elapsed), 12.802 MUT (13.065 elapsed), 4.774 GC (5.441 elapsed) :ghc>>