v0.33.0

Most relevant commits:

all

• all: replace the FileReader interface with the fs.FS interface
• all: remove support for Go v1.12 and v1.13
• all: make macros as functions with a string type return parameter
• all: replaces 'show' statements with a single 'show' statement

cmd/scriggo

• cmd/scriggo: refer to 'Build' functions instead of 'Load' functions
• cmd/scriggo: fix display of the error returned from the embed command
• cmd/scriggo: add "embed" and "io/fs" packages to stdlib
• cmd/scriggo: add 'serve' sub command
• cmd/scriggo: allow with 'serve -S n' to control Text length

compiler

• compiler/parser: add endless macro declarations
• compiler/checker: fix check of switch expression if comparable
• test/compare: fix 'compare' command for Go 1.16
• compiler: change 'declared and not used' to 'declared but not used'
• compiler,templates: add format types to the universe block
• compiler/parser: add .mkd, .mkdn, .mdown and .markdown extensions
• compiler/lexer: fix endless loop parsing '$' without extended syntax
• compiler/parser: allow macro declarations in all implicit blocks
• compiler/ast/astutil: fix clone of function context
• compiler/parser: allow macros only in 'format' contexts
• compiler/parser: fix error message parsing function parameters
• compiler: add 'partial ' statement in place of 'show '
• compiler/parser: add missing format in comment
• compiler/checker: fix error on evaluated but not used type conversion
• compiler/disassembler: fix disassembled function parameters
• compiler/parser: don't let show macro statement cut spaces
• compiler/checker: fix format type value conversion to same type
• compiler/checker: fix position in 'invalid macro result type' error
• compiler: allow return statement in macro body
• compiler/parser: add macro type literals
• compiler/parser: change error message if 'goto' is outside function body
• compiler: replace 'partial' statement with 'render' expression

templates

• templates: allow the show of HTML values in Markdown context
• templates: document file formats for the Build method
• templates: rename the format type 'md' to 'markdown'
• templates: remove obsolete examples
• templates: export MapFS in the 'templates' package