Change abbreviations for IF and INPUT, requested by Vitoco.

Author: dmsc

manual.md

@@ -769,7 +769,7 @@ Control Statements
 
 
 **Conditional execution**  
-**IF _condition_ THEN _statement_ / IF T.**  
+**IF _condition_ THEN _statement_ / I. T.**  
 **IF _condition_**  
 **ELIF _condition_ / ELI.**  
 **ELSE / E.**  
@@ -984,7 +984,7 @@ Device Input and Output Statements
   the error value.
 
 **Input variable or string from file**  
-**INPUT #_iochn_, _var_ / I.**
+**INPUT #_iochn_, _var_ / IN.**
 
   Reads a line from channel _iochn_ and
   stores to _var_.

src/basic.syn

@@ -505,7 +505,7 @@ PARSE_LINE_COMMAND:
 	"." E_REM
 	"?" IO_CHAN_OPT PRINT_EXPR
 	"PRint" IO_CHAN_OPT PRINT_EXPR
-        "Input" INPUT_STR INPUT_VAR_LIST emit TOK_IOCHN0
+        "INput" INPUT_STR INPUT_VAR_LIST emit TOK_IOCHN0
         "GEt" GETK_EXPR
         "GEt" IO_CHAN_COMMA GET_EXPR
         "PUt" IO_CHAN_OPT EXPR emit TOK_PUT
@@ -519,7 +519,7 @@ PARSE_LINE_COMMAND:
         "Until" FORCE_BOOL_EXPR emit TOK_CJUMP E_POP_REPEAT
         "While" emit LT_WHILE_1 E_PUSH_LT FORCE_BOOL_EXPR emit TOK_CJUMP emit LT_WHILE_2 E_PUSH_LT
         "WEnd" emit TOK_JUMP E_POP_WHILE
-        "IF" FORCE_BOOL_EXPR emit TOK_CJUMP emit LT_IF E_PUSH_LT THEN_OR_MULTILINE
+        "If" FORCE_BOOL_EXPR emit TOK_CJUMP emit LT_IF E_PUSH_LT THEN_OR_MULTILINE
         "For" VAR_WORD_LVALUE EQUAL EXPR emit TOK_FOR_START "TO" EXPR STEP_OPTIONAL emit TOK_FOR emit TOK_L_NOT emit TOK_CJUMP emit LT_FOR_2 E_PUSH_LT emit LT_FOR_1 E_PUSH_LT
         "Next" emit TOK_FOR_NEXT emit TOK_CJUMP NEXT_VARNAME E_POP_FOR emit TOK_FOR_EXIT
         "Else" emit TOK_JUMP E_ELSE