diff options
Diffstat (limited to 'src/construct/code_indented.rs')
-rw-r--r-- | src/construct/code_indented.rs | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/src/construct/code_indented.rs b/src/construct/code_indented.rs index e3a5333..89c5652 100644 --- a/src/construct/code_indented.rs +++ b/src/construct/code_indented.rs @@ -1,30 +1,38 @@ -//! Code (indented) is a construct that occurs in the [flow][] content type. +//! Code (indented) occurs in the [flow][] content type. //! -//! It forms with the following BNF: +//! ## Grammar +//! +//! Code (indented) forms with the following BNF +//! (<small>see [construct][crate::construct] for character groups</small>): //! //! ```bnf -//! code_indented ::= indented_filled_line *( eol *( blank_line eol ) indented_filled_line ) +//! code_indented ::= filled_line *( eol *( blank_line eol ) filled_line ) //! -//! ; Restriction: at least one `code` must not be whitespace. -//! indented_filled_line ::= 4space_or_tab *code +//! ; Restriction: at least one `line` byte must be `text`. +//! filled_line ::= 4(space_or_tab) *line //! blank_line ::= *space_or_tab -//! eol ::= '\r' | '\r\n' | '\n' -//! code ::= . ; any unicode code point (other than line endings). -//! space_or_tab ::= ' ' | '\t' //! ``` //! -//! Code (indented) relates to both the `<pre>` and the `<code>` elements in -//! HTML. -//! See [*§ 4.4.3 The `pre` element*][html-pre] and the [*§ 4.5.15 The `code` -//! element*][html-code] in the HTML spec for more info. +//! As this construct occurs in flow, like all flow constructs, it must be +//! followed by an eol (line ending) or eof (end of file). //! //! In markdown, it is also possible to use [code (text)][code_text] in the //! [text][] content type. //! It is also possible to create code with the [code (fenced)][code_fenced] //! construct. -//! That construct is more explicit, more similar to code (text), and has -//! support for specifying the programming language that the code is in, so it -//! is recommended to use that instead of indented code. +//! +//! ## HTML +//! +//! Code (indented) relates to both the `<pre>` and the `<code>` elements in +//! HTML. +//! See [*§ 4.4.3 The `pre` element*][html_pre] and the [*§ 4.5.15 The `code` +//! element*][html_code] in the HTML spec for more info. +//! +//! ## Recommendation +//! +//! It is recommended to use code (fenced) instead of code (indented). +//! Code (fenced) is more explicit, similar to code (text), and has support +//! for specifying the programming language. //! //! ## Tokens //! @@ -40,10 +48,10 @@ //! //! [flow]: crate::construct::flow //! [text]: crate::construct::text -//! [code_text]: crate::construct::code_text //! [code_fenced]: crate::construct::code_fenced -//! [html-pre]: https://html.spec.whatwg.org/multipage/grouping-content.html#the-pre-element -//! [html-code]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-code-element +//! [code_text]: crate::construct::code_text +//! [html_code]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-code-element +//! [html_pre]: https://html.spec.whatwg.org/multipage/grouping-content.html#the-pre-element use super::partial_space_or_tab::{space_or_tab, space_or_tab_min_max}; use crate::constant::TAB_SIZE; |