Recovered \LM.. commands
Recovered \LM.. commands

Recovered the \LM.. commands inserted in order to support SHA1 hash value
markers on spec paragraphs; also recovered a couple of changes directly
required for the \LM.. commands to work.

Review URL: https://codereview.chromium.org//722573003

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@41686 260f80e4-7a28-3924-810f-c04153c831b5

dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk