DOC: add more links to libraries, and include iso_ext in the enumeration
@@ -271,8 +271,10 @@ the above example, posting <tt>Ls0&nbsp;=&nbsp;[a,b,c|Ls]</tt> yields
the exact same internal representation, and has the advantage that
only the standard predicate&nbsp;`(=)/2` is used.
-Definite clause grammars as provided by `library(dcgs)` are ideally
-suited for reasoning about strings.
+Definite clause grammars as provided by
+[`library(dcgs)`](src/lib/lists.pl), and the predicates from
+[`library(lists)`](src/lib/lists.pl), are ideally suited for reasoning
+about strings.
Partial strings were first proposed by Ulrich Neumerkel in issue
[#95](https://github.com/mthom/scryer-prolog/issues/95).
@@ -389,9 +391,9 @@ The modules that ship with Scryer&nbsp;Prolog are also called
useful for parsing and reasoning about characters, notably
`char_type/2` to classify characters according to their type.
* [`error`](src/lib/error.pl)
- `must_be/2` and `can_be/2` complement the type checks provided
- by `library(si)`, and are especially useful for Prolog library
- authors.
+ `must_be/2` and `can_be/2` complement the type checks provided by
+ [`library(si)`](src/lib/si.pl), and are especially useful for
+ Prolog library authors.
* [`tabling`](src/lib/tabling.pl)
The operator `(table)/1` is used in directives that prepare
predicates for tabled execution (SLG&nbsp;resolution).
@@ -430,20 +432,25 @@ The modules that ship with Scryer&nbsp;Prolog are also called
* [`sgml`](src/lib/sgml.pl)
`load_html/3` and `load_xml/3` represent HTML and XML&nbsp;documents
as Prolog&nbsp;terms for convenient and efficient reasoning. Use
- `library(xpath)` to extract information from parsed documents.
+ [`library(xpath)`](src/lib/iso_ext.pl) to extract information from
+ parsed documents.
* [`csv`](src/lib/csv.pl)
`parse_csv//1` and `parse_csv//2` can be used with [`phrase_from_file/2`](src/lib/pio.pl)
or [`phrase/2`](src/lib/dcgs.pl) to parse csv
* [`xpath`](src/lib/xpath.pl)
- The predicate `xpath/3` is used for convenient reasoning about
- HTML and XML&nbsp;documents, inspired by the XPath language. This
- library is often used together with `library(sgml)`.
+ The predicate `xpath/3` is used for convenient reasoning about HTML
+ and XML&nbsp;documents, inspired by the XPath language. This library
+ is often used together with [`library(sgml)`](src/lib/sgml.pl).
* [`sockets`](src/lib/sockets.pl)
Predicates for opening and accepting TCP connections as streams.
TLS negotiation is performed via the option `tls(true)` in
`socket_client_open/3`, yielding secure encrypted connections.
* [`os`](src/lib/os.pl)
Predicates for reasoning about environment&nbsp;variables.
+* [`iso_ext`](src/lib/iso_ext.pl)
+ Conforming extensions to and candidates for inclusion in the Prolog
+ ISO&nbsp;standard, such as `setup_call_cleanup/3` and
+ `call_with_inference_limit/3`.
* [`crypto`](src/lib/crypto.pl)
Cryptographically secure random numbers and hashes, HMAC-based key
derivation&nbsp;(HKDF), password-based key derivation&nbsp;(PBKDF2),
