| 81BE9 |  #>CHR | ( # → chr )Returns character with the specified ASCII
code.
 | 
| 84ABA |  CHR>$ | ( chr → $* Strings )Converts a character into a string.
 | 
| 819DC |  LEN$ | ( $ → #length )Returns length in bytes.
 | 
| 8154A |  DUPLEN$ | ( $ → $ # )
 DUPthenLEN$. | 
| 83C00 |  NEWLINE$&$ | ( $ → "$\0a" )Appends newline character to string.
aka:
 NEWLINE&$ | 
| 819D7 |  CAR$ | ( $ → chr )
 ( $ → ""  )Returns first character of string as a
string, or
 NULL$for null string. | 
| 83179 |  CDR$ | ( $ → $' )Returns string without first character, or
 NULL$for null string. | 
| 81B3A |  POS$ | ( $ $find start# → #pos )
 ( $ $find start# → #0   )Search for $find in $search, starting at
position #start.  Returns position of $find
or 0 if not found.
Same entry as
 POSCHR. | 
| 81B44 |  POSCHR | ( $search chr #start → #pos )
 ( $search chr #start → #0   )Same entry as <REF>POS$.
 | 
| 81B3F |  POS$REV | ( $ $find #limit → #pos )
 ( $ $find #limit → #0   )Searches backwards from #limit to #1.
Same entry as <REF>POSCHRREV.
 | 
| 81B49 |  POSCHRREV | ( $seach chr #start → #pos )
 ( $seach chr #start → #0   )Same entry as <REF>POS$REV.
 | 
| 819E6 |  SUB$ | ( $ #start #end → $' )Returns substring between specified
positions.
 | 
| 83CB4 |  #1-SUB$ | ( $ #start #end+#1 → $' )Does
 #1-and thenSUB$. | 
| 83CC8 |  1_#1-SUB$ | ( $ #end → $' )Returns substring with the first #end
characters.
aka:
 1_#1-SUB | 
| 83CDC |  LAST$ | ( $ #start → $' )Returns substring from the specified start
position to the end (inclusive).
 | 
| 83CF0 |  #1+LAST$ | ( $ #start-#1 → $' )Returns substring from the specified start
position to the end (exclusive).
 | 
| 837DC |  SUB$SWAP | ( ob $ # #' → $' ob )
 SUB$thenSWAP. | 
| 81A72 |  SUB$1# | ( $ #pos → #' )Returns bint with ASCII code of character at
the specified position.
 | 
| 81491 |  EXPAND | ( hxs #nibs → hxs' )Appends #nibs zero nibbles to the hxs.
 | 
| 819C8 |  &$ | ( $ $' → $+$' )Concatenates two strings.
 | 
| 84975 |  &$SWAP | ( ob $ $' → $+$' ob )
 &$thenSWAP. | 
| 8316F |  !append$ | ( $ $' → $+$' )Tries
 &$, if not enough memory does!!append$?. | 
| 8399E |  !append$SWAP | ( ob $ $' → $+$' ob )
 !append$thenSWAP. | 
| 81590 |  !!append$ | ( $ $' → $+$' )Tries appending "in place".
 | 
| 819CD |  >H$ | ( $ chr → $' )Prepends character to string
 | 
| 819D2 |  >T$ | ( $ chr → $' )Appends character to string.
 | 
| 8361F |  APPEND_SPACE | ( $ → $' )Appends space to string.
 | 
| 831B5 |  SWAP&$ | ( $ $' → $'+$ )Concatenates two strings.
 |