master
[pic]: Improve test script.
*/.gitignore: Update.
src: Fix `quote style' in comments and plaintext.
src/preproc/pic/common.cpp: Revise copyright.
src/preproc/pic/common.h: Revise copyright notice.
[pic]: Improve diagnostic message.
src/preproc/pic/main.cpp: Revise copyright notice.
pic: Fix undefined behaviour, part 2.
src/preproc/pic/object.h: Revise copyright notice.
pic: Fix undefined behaviour, part 1.
pic(1): Revise copyright notice.
[eqn,pic,refer]: Clean out-of-source build trees.
src/preproc/pic/pic.h: Revise copyright notice.
src/preproc/pic/pic.ypp: Revise copyright notice.
src/preproc/pic/position.h: Revise copyright.
src/preproc/pic/tex.cpp: Revise copyright notice.
src/preproc/pic/text.h: Revise copyright notice.
src/preproc/pic/troff.cpp: Revise copyright.