added QSE_AWK_MOD_INT and QSE_AWK_MOD_FLT

added qse_awk_mod_sym_int_t and qse_awk_mod_sym_flt_t

qse/doc/page/awk.doc

@@ -7,6 +7,7 @@
  - @ref awk_ext_teq       "TEQ OPERATOR"
  - @ref awk_ext_vardecl   "VARIABLE DECLARATION"
  - @ref awk_ext_include   "INCLUDE"
+ - @ref awk_ext_funcall   "FUNCTION CALL"
  - @ref awk_ext_print     "EXTENDED PRINT/PRINTF"
  - @ref awk_ext_exprgroup "GROUPED EXPRESSION"
  - @ref awk_ext_rwpipe    "TWO-WAY PIPE"
@@ -21,6 +22,7 @@
  - @ref awk_ext_ioenc     "I/O ENCODING"
 
 
+
 @section awk_intro INTRODUCTION
 
 QSEAWK is an AWK interpreter and is a part of the @ref qse_intro "QSE" library. 
@@ -379,6 +381,33 @@ BEGIN { func_in_abc(); }
 If #QSE_AWK_NEWLINE is off, the semicolon is required.
 
 
+@subsection awk_ext_funcall FUNCTIONC CALL
+
+
+name(1);
+if there is no space between 'name' and the left parenthesis, the 
+name is treated as a function name.
+
+name (1);
+If there is a space, the name is treated as a function name if the 
+name has been declared as the function or if #QSE_AWK_IMPLICIT is on,
+it may be 'name' concatenated with the expression in the parentheses.
+
+The following is a valid program.
+@code
+@pragma implicit off
+BEGIN { name (1); }
+function name(a) { print a; }'
+@endcode
+
+However, in this program, the first 'name' becomes a named global variable.
+so the function declaration with 'name' triggers the variable redefinition 
+error.
+@pragma implicit on
+BEGIN { name (1); }
+function name(a) { print a; }'
+@endcode
+
 @subsection awk_ext_print EXTENDED PRINT/PRINTF
 When #QSE_AWK_TOLERANT is on, print and printf are treated as if
 they are function calls.  In this mode, they return a negative number