| I |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| IFRAME |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| IMAGE | CGIInternals |
| IMG |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| INPUT |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| INS |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| INVALID |
| 1 (Type/Class) | CGI, CGIInternals, GuaranteedCGI |
| 2 (Data Constructor) | CGIInternals |
| ISINDEX |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| ISMAP_ismap |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| ISODate |
| 1 (Type/Class) | ISO8601 |
| 2 (Data Constructor) | ISO8601 |
| ISODateAndTime |
| 1 (Type/Class) | ISO8601 |
| 2 (Data Constructor) | ISO8601 |
| ISODayOfMonthSpec | ISO8601 |
| ISODayOfWeekSpec | ISO8601 |
| ISODayOfYearSpec | ISO8601 |
| ISOHourSpec | ISO8601 |
| ISOMinuteSpec | ISO8601 |
| ISOMonthSpec | ISO8601 |
| ISOSecondSpec | ISO8601 |
| ISOTime |
| 1 (Type/Class) | ISO8601 |
| 2 (Data Constructor) | ISO8601 |
| ISOTimeZoneSpec | ISO8601 |
| ISOWeekSpec | ISO8601 |
| ISOYearSpec | ISO8601 |
| Image |
| 1 (Type/Class) | CGI, CGIInternals, GuaranteedCGI |
| 2 (Data Constructor) | CGIInternals |
| ImplicitCentury | ISO8601 |
| ImplicitDecade | ISO8601 |
| ImplicitHour | ISO8601 |
| ImplicitMinute | ISO8601 |
| ImplicitMonth | ISO8601 |
| ImplicitWeek | ISO8601 |
| ImplicitYear | ISO8601 |
| Inline | ContentDisposition |
| InputField |
| 1 (Type/Class) | CGI, CGIInternals, GuaranteedCGI |
| 2 (Data Constructor) | CGIInternals |
| InputHandle | CGI, GuaranteedCGI, Submit98 |
| InputType | CGIInternals |
| i |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| i_S | CGI, HTMLMonad, HTMLWrapper |
| i_T | CGI, HTMLMonad, HTMLWrapper |
| id | HTMLMonadAttrs |
| ifBound | CGIInternals |
| ifFty | CGIInternals |
| ifName | CGIInternals |
| ifRaw | CGIInternals |
| ifString | CGIInternals |
| ifToken | CGIInternals |
| ifValue | CGIInternals |
| iframe |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| iframe_S | CGI, HTMLMonad, HTMLWrapper |
| iframe_T | CGI, HTMLMonad, HTMLWrapper |
| imageALT | CGIInternals |
| imageField |
| 1 (Function) | CGI, CGIInternals |
| 2 (Function) | GuaranteedCGI |
| imageSRC | CGIInternals |
| img |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| img_S | CGI, HTMLMonad, HTMLWrapper |
| img_T | CGI, HTMLMonad, HTMLWrapper |
| inFrame | CGIMonad |
| incFrame | CGIMonad |
| init |
| 1 (Function) | Cookie |
| 2 (Function) | Persistent2 |
| initEnv | RawCGIInternal |
| initExpiring | Cookie |
| inparm | CGIMonad |
| input |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| inputField |
| 1 (Function) | CGI, CGIInternals |
| 2 (Function) | GuaranteedCGI |
| input_S | CGI, HTMLMonad, HTMLWrapper |
| input_T | CGI, HTMLMonad, HTMLWrapper |
| ins |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| ins_S | CGI, HTMLMonad, HTMLWrapper |
| ins_T | CGI, HTMLMonad, HTMLWrapper |
| internalImage | CGI, CGIInternals, GuaranteedCGI |
| internalSubmitLink | CGIInternals |
| inventFilePath | Unique |
| inventKey | Unique |
| inventMessageId | Email |
| inventStdKey | Unique |
| io | CGI, CGIInternals, GuaranteedCGI |
| isHexdigit | Hex |
| isindex |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| isindex_S | CGI, HTMLMonad, HTMLWrapper |
| isindex_T | CGI, HTMLMonad, HTMLWrapper |
| ismap | HTMLMonadAttrs |
| isoDateAndTimeToClockTime | ISO8601 |
| isoDateAndTimeToSeconds | ISO8601 |
| isoDateToClockTime | ISO8601 |
| isoDateToSeconds | ISO8601 |
| isoTimeToSeconds | ISO8601 |
| itell | CGIOutput |
