show glibc version.
refine glibc version detection.
show title information.
add a diff substitution pattern.
refine title-info section.
Don't link schme-only URLs.
show the timestamp of config.guess and config.sub.
refine timestamp of config files.
Add a diff substitution pattern.
add diff substitution patterns.
Show the difference of modules between class and module.
Refine diff substitution patterns.
extract cc_version method.
new file.
Refine cc-version section.
Refine cc-version.
Extract markup_uri.
Update a diff substitution pattern.
Substitute build directories.
show memory information.