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Overview
| Comment: | fix docs |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
d08ee0edd6afd1827888140a53f3145d |
| User & Date: | lexi 2019-05-25 06:43:48 |
Context
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2019-05-25
| ||
| 06:44 | fix docs AGAIN check-in: b839592894 user: lexi tags: trunk | |
| 06:43 | fix docs check-in: d08ee0edd6 user: lexi tags: trunk | |
| 06:42 | fix docs check-in: ee67540c4a user: lexi tags: trunk | |
Changes
Changes to README.md.
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this should be fairly straightforward to understand. there are three exceptions, and these both have to do with how scml handles attributes, which have no straightforward s-exp equivalent. we'll start with the easier one. the form `(- …)` is used to create tags that do not have bodies. the `<meta>` tag is one such tag. attributes and values are supplied after the name of the tag consed together, e.g. `(key . "value")`. for instance, `<input name="user" type="text">` translates to `(- input (name . "user") (type . "text"))`. > **note:** the Chicken Scheme reader (the function that transforms text into s-expressions), > along with many other Scheme readers, allows the use of brackets beyond mere parentheses. > while it is less strictly portable, you can use your choice of brackets to make code more > readable, perhaps setting off attribute lists with [ ] and code blocks as {% … } {@ … } > {= …}, or any other style that works best for you. e.g.: > {% (initial-setup-code) } > (html ((body [lang . "sp"]) (h1 "hola" {= "compadres"}) > (p {@ string-append "qué " "pasa"}))) normal tags can take attributes too; in fact, the `(- …)` form is simply syntactic sugar for the full form. consider the HTML element `<textarea name="desc">description</textarea>` - we can express this in scml as `((textarea (name . "desc")) "description")`. in other words, if the first term of a list is another list, the compiler interprets it as the tag followed by an attribute list. "boolean" attributes can also be encoded this way. rather than using a cons pair, you can simply enter them into the attribute list as symbols. this enables us to write a `<!doctype html>` declaration using one of two constructs ((!doctype html)) ; no semantic sugar (- !doctype html) ; with semantic sugar |
| | < < < |
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 |
this should be fairly straightforward to understand. there are three exceptions, and these both have to do with how scml handles attributes, which have no straightforward s-exp equivalent. we'll start with the easier one. the form `(- …)` is used to create tags that do not have bodies. the `<meta>` tag is one such tag. attributes and values are supplied after the name of the tag consed together, e.g. `(key . "value")`. for instance, `<input name="user" type="text">` translates to `(- input (name . "user") (type . "text"))`. > **note:** the Chicken Scheme reader (the function that transforms text into s-expressions), > along with many other Scheme readers, allows the use of brackets beyond mere parentheses. > while it is less strictly portable, you can use your choice of brackets to make code more > readable, perhaps setting off attribute lists with `[ … ]` and code blocks as `{% … } {@ … }` > `{= …}`, or any other style that works best for you. e.g.: normal tags can take attributes too; in fact, the `(- …)` form is simply syntactic sugar for the full form. consider the HTML element `<textarea name="desc">description</textarea>` - we can express this in scml as `((textarea (name . "desc")) "description")`. in other words, if the first term of a list is another list, the compiler interprets it as the tag followed by an attribute list. "boolean" attributes can also be encoded this way. rather than using a cons pair, you can simply enter them into the attribute list as symbols. this enables us to write a `<!doctype html>` declaration using one of two constructs ((!doctype html)) ; no semantic sugar (- !doctype html) ; with semantic sugar |