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return (c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9');
}
/* Return true if and only if the entire string consists of only
** alphanumeric characters.
*/
int fossil_no_strange_characters(const char *z){
while( z && (fossil_isalnum(z[0]) || z[0]=='_') ) z++;
while( z && (fossil_isalnum(z[0]) || z[0]=='_' || z[0]=='-') ) z++;
return z[0]==0;
}
/*
** COMMAND: test-isspace
**
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