| H1 |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| H2 |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| H3 |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| H4 |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| H5 |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| H6 |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| HEAD |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| HIDDEN | CGIInternals |
| HR |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| HTML |
| 1 (Type/Class) | GuaranteedCGI, HTMLMonad98 |
| 2 (Data Constructor) | GuaranteedCGI, HTMLMonad98 |
| HTMLCons | CGI, GuaranteedCGI, HTMLMonad, HTMLMonad98, HTMLMonadBase, HTMLWrapper |
| HTMLField | CGI, CGIInternals, GuaranteedCGI |
| HasValue | CGI, GuaranteedCGI, Submit98 |
| Hour | ISO8601 |
| h1 |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| h1_S | CGI, HTMLMonad, HTMLWrapper |
| h1_T | CGI, HTMLMonad, HTMLWrapper |
| h2 |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| h2_S | CGI, HTMLMonad, HTMLWrapper |
| h2_T | CGI, HTMLMonad, HTMLWrapper |
| h3 |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| h3_S | CGI, HTMLMonad, HTMLWrapper |
| h3_T | CGI, HTMLMonad, HTMLWrapper |
| h4 |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| h4_S | CGI, HTMLMonad, HTMLWrapper |
| h4_T | CGI, HTMLMonad, HTMLWrapper |
| h5 |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| h5_S | CGI, HTMLMonad, HTMLWrapper |
| h5_T | CGI, HTMLMonad, HTMLWrapper |
| h6 |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| h6_S | CGI, HTMLMonad, HTMLWrapper |
| h6_T | CGI, HTMLMonad, HTMLWrapper |
| handle | RawCGIInternal, RawCGITypes |
| head |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| head_S | CGI, HTMLMonad, HTMLWrapper |
| head_T | CGI, HTMLMonad, HTMLWrapper |
| headers | HTMLMonadAttrs |
| height | HTMLMonadAttrs |
| hexDigitVal | Hex |
| hexdigit | Hex |
| hexdigits'_indices | Hex |
| hlink |
| 1 (Function) | CGI, CGIInternals |
| 2 (Function) | GuaranteedCGI |
| hr |
| 1 (Function) | CGI, HTMLMonad, HTMLWrapper |
| 2 (Function) | GuaranteedCGI, HTMLMonad98 |
| hr_S | CGI, HTMLMonad, HTMLWrapper |
| hr_T | CGI, HTMLMonad, HTMLWrapper |
| href | HTMLMonadAttrs |
| hreflang | HTMLMonadAttrs |
| hspace | HTMLMonadAttrs |
| htell |
| 1 (Function) | CGI, CGIInternals |
| 2 (Function) | GuaranteedCGI |
| html |
| 1 (Function) | GuaranteedCGI |
| 2 (Function) | HTMLMonad |
| 3 (Function) | HTMLMonad98 |
| 4 (Function) | CGI, HTMLWrapper |
| htmlHeader |
| 1 (Function) | GuaranteedCGI |
| 2 (Function) | CGI, HTMLWrapper |
| html_S | CGI, HTMLMonad, HTMLWrapper |
| html_T | CGI, HTMLMonad, HTMLWrapper |
| httpAccept | RawCGIInternal, RawCGITypes |
| httpCookie | RawCGIInternal, RawCGITypes |
| http_equiv | HTMLMonadAttrs |
| httpsEnabled | RawCGIInternal, RawCGITypes |
