# syntax_tools v4.0.3 - Table of Contents ## Pages - [Syntax_Tools Release Notes](notes.md) - User's Guides - [Erlang Syntax and Metaprogramming tools](chapter.md) ## Modules - [epp_dodger](epp_dodger.md): Bypassing the Erlang preprocessor. - [erl_comment_scan](erl_comment_scan.md): Functions for reading comment lines from Erlang source code. - [erl_prettypr](erl_prettypr.md): Pretty printing of abstract Erlang syntax trees. - [erl_recomment](erl_recomment.md): Inserting comments into abstract Erlang syntax trees - [erl_syntax](erl_syntax.md): Abstract Erlang syntax trees. - [erl_syntax_lib](erl_syntax_lib.md): Support library for abstract Erlang syntax trees. - [merl](merl.md): Metaprogramming in Erlang. - [merl_transform](merl_transform.md): Parse transform for merl. - [prettypr](prettypr.md): A generic pretty printer library.